Finding the Fourth Proportional to 10,510,651.20, 14,504,719.92 and 5,681,755.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510,651.20 : 14,504,719.92 = 5,681,755.20 : x
2. Step 2: Convert to fraction form
   10,510,651.20/14,504,719.92 = 5,681,755.20/x
3. Step 3: Cross multiply
   10,510,651.20x = 14,504,719.92 × 5,681,755.20
4. Step 4: Simplify right side
   10,510,651.20x = 82,412,267,830,003.59
5. Step 5: Solve for x
   x = 82,412,267,830,003.59/10,510,651.20
6. Step 6: Final answer
   x = 7,840,833.67