Finding the Fourth Proportional to 103,013,906.55, 142,159,158.41 and 56,607,149.83

Step by Step Solution

1. Step 1: Write the proportion equation
   103,013,906.55 : 142,159,158.41 = 56,607,149.83 : x
2. Step 2: Convert to fraction form
   103,013,906.55/142,159,158.41 = 56,607,149.83/x
3. Step 3: Cross multiply
   103,013,906.55x = 142,159,158.41 × 56,607,149.83
4. Step 4: Simplify right side
   103,013,906.55x = 8,047,224,779,527,560
5. Step 5: Solve for x
   x = 8,047,224,779,527,560/103,013,906.55
6. Step 6: Final answer
   x = 78,117,848.83