Finding the Fourth Proportional to 54,019,642.92, 81,029,672.15 and 13,079,013.86

Step by Step Solution

1. Step 1: Write the proportion equation
   54,019,642.92 : 81,029,672.15 = 13,079,013.86 : x
2. Step 2: Convert to fraction form
   54,019,642.92/81,029,672.15 = 13,079,013.86/x
3. Step 3: Cross multiply
   54,019,642.92x = 81,029,672.15 × 13,079,013.86
4. Step 4: Simplify right side
   54,019,642.92x = 1,059,788,204,650,562.50
5. Step 5: Solve for x
   x = 1,059,788,204,650,562.50/54,019,642.92
6. Step 6: Final answer
   x = 19,618,571.09