Finding the Fourth Proportional to 101,341,155.08, 139,847,047.35 and 54,930,412.55

Step by Step Solution

1. Step 1: Write the proportion equation
   101,341,155.08 : 139,847,047.35 = 54,930,412.55 : x
2. Step 2: Convert to fraction form
   101,341,155.08/139,847,047.35 = 54,930,412.55/x
3. Step 3: Cross multiply
   101,341,155.08x = 139,847,047.35 × 54,930,412.55
4. Step 4: Simplify right side
   101,341,155.08x = 7,681,856,004,834,883
5. Step 5: Solve for x
   x = 7,681,856,004,834,883/101,341,155.08
6. Step 6: Final answer
   x = 75,801,938.50