Finding the Fourth Proportional to 176,507,036,824.72, 264,758,810,468.72 and 80,865,926,825.88

Step by Step Solution

1. Step 1: Write the proportion equation
   176,507,036,824.72 : 264,758,810,468.72 = 80,865,926,825.88 : x
2. Step 2: Convert to fraction form
   176,507,036,824.72/264,758,810,468.72 = 80,865,926,825.88/x
3. Step 3: Cross multiply
   176,507,036,824.72x = 264,758,810,468.72 × 80,865,926,825.88
4. Step 4: Simplify right side
   176,507,036,824.72x = 21,409,966,593,870,544,240,640
5. Step 5: Solve for x
   x = 21,409,966,593,870,544,240,640/176,507,036,824.72
6. Step 6: Final answer
   x = 121,298,090,880.83