Finding the Fourth Proportional to 2,576,501.10, 3,864,884.67 and 657,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,501.10 : 3,864,884.67 = 657,429.12 : x
2. Step 2: Convert to fraction form
   2,576,501.10/3,864,884.67 = 657,429.12/x
3. Step 3: Cross multiply
   2,576,501.10x = 3,864,884.67 × 657,429.12
4. Step 4: Simplify right side
   2,576,501.10x = 2,540,887,727,499.59
5. Step 5: Solve for x
   x = 2,540,887,727,499.59/2,576,501.10
6. Step 6: Final answer
   x = 986,177.62