Finding the Fourth Proportional to 14,251,105.43, 19,665,998.60 and 7,724,594.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,251,105.43 : 19,665,998.60 = 7,724,594.78 : x
2. Step 2: Convert to fraction form
   14,251,105.43/19,665,998.60 = 7,724,594.78/x
3. Step 3: Cross multiply
   14,251,105.43x = 19,665,998.60 × 7,724,594.78
4. Step 4: Simplify right side
   14,251,105.43x = 151,911,870,129,047.31
5. Step 5: Solve for x
   x = 151,911,870,129,047.31/14,251,105.43
6. Step 6: Final answer
   x = 10,659,655.20