Finding the Fourth Proportional to 117,332,085.42, 161,948,041.20 and 80,177,404.86

Step by Step Solution

1. Step 1: Write the proportion equation
   117,332,085.42 : 161,948,041.20 = 80,177,404.86 : x
2. Step 2: Convert to fraction form
   117,332,085.42/161,948,041.20 = 80,177,404.86/x
3. Step 3: Cross multiply
   117,332,085.42x = 161,948,041.20 × 80,177,404.86
4. Step 4: Simplify right side
   117,332,085.42x = 12,984,573,665,576,360
5. Step 5: Solve for x
   x = 12,984,573,665,576,360/117,332,085.42
6. Step 6: Final answer
   x = 110,665,157.10