Finding the Fourth Proportional to 10,561,139.28, 14,574,400.20 and 5,732,243.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561,139.28 : 14,574,400.20 = 5,732,243.28 : x
2. Step 2: Convert to fraction form
   10,561,139.28/14,574,400.20 = 5,732,243.28/x
3. Step 3: Cross multiply
   10,561,139.28x = 14,574,400.20 × 5,732,243.28
4. Step 4: Simplify right side
   10,561,139.28x = 83,544,007,606,480.66
5. Step 5: Solve for x
   x = 83,544,007,606,480.66/10,561,139.28
6. Step 6: Final answer
   x = 7,910,510.92