Finding the Fourth Proportional to 88,573,670.70, 132,860,506.05 and 82,116,662.55

Step by Step Solution

1. Step 1: Write the proportion equation
   88,573,670.70 : 132,860,506.05 = 82,116,662.55 : x
2. Step 2: Convert to fraction form
   88,573,670.70/132,860,506.05 = 82,116,662.55/x
3. Step 3: Cross multiply
   88,573,670.70x = 132,860,506.05 × 82,116,662.55
4. Step 4: Simplify right side
   88,573,670.70x = 10,910,061,341,530,082
5. Step 5: Solve for x
   x = 10,910,061,341,530,082/88,573,670.70
6. Step 6: Final answer
   x = 123,174,993.83