Finding the Fourth Proportional to 53,543,940.89, 80,327,474.82 and 16,655,129.15

Step by Step Solution

1. Step 1: Write the proportion equation
   53,543,940.89 : 80,327,474.82 = 16,655,129.15 : x
2. Step 2: Convert to fraction form
   53,543,940.89/80,327,474.82 = 16,655,129.15/x
3. Step 3: Cross multiply
   53,543,940.89x = 80,327,474.82 × 16,655,129.15
4. Step 4: Simplify right side
   53,543,940.89x = 1,337,864,467,018,835.50
5. Step 5: Solve for x
   x = 1,337,864,467,018,835.50/53,543,940.89
6. Step 6: Final answer
   x = 24,986,290.60