Finding the Fourth Proportional to 93,205,145.52, 128,678,274.72 and 82,863,303.66

Step by Step Solution

1. Step 1: Write the proportion equation
   93,205,145.52 : 128,678,274.72 = 82,863,303.66 : x
2. Step 2: Convert to fraction form
   93,205,145.52/128,678,274.72 = 82,863,303.66/x
3. Step 3: Cross multiply
   93,205,145.52x = 128,678,274.72 × 82,863,303.66
4. Step 4: Simplify right side
   93,205,145.52x = 10,662,706,952,568,260
5. Step 5: Solve for x
   x = 10,662,706,952,568,260/93,205,145.52
6. Step 6: Final answer
   x = 114,400,410.98