Finding the Fourth Proportional to 111,061.01, 166,591.51 and 88,770.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,061.01 : 166,591.51 = 88,770.01 : x
2. Step 2: Convert to fraction form
   111,061.01/166,591.51 = 88,770.01/x
3. Step 3: Cross multiply
   111,061.01x = 166,591.51 × 88,770.01
4. Step 4: Simplify right side
   111,061.01x = 14,788,330,008.62
5. Step 5: Solve for x
   x = 14,788,330,008.62/111,061.01
6. Step 6: Final answer
   x = 133,155.01