Finding the Fourth Proportional to 175,300.42, 262,860.59 and 80,448.96

Step by Step Solution

1. Step 1: Write the proportion equation
   175,300.42 : 262,860.59 = 80,448.96 : x
2. Step 2: Convert to fraction form
   175,300.42/262,860.59 = 80,448.96/x
3. Step 3: Cross multiply
   175,300.42x = 262,860.59 × 80,448.96
4. Step 4: Simplify right side
   175,300.42x = 21,146,861,090.49
5. Step 5: Solve for x
   x = 21,146,861,090.49/175,300.42
6. Step 6: Final answer
   x = 120,632.12