Finding the Fourth Proportional to 89,110.55, 133,701.83 and 39,200.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,110.55 : 133,701.83 = 39,200.15 : x
2. Step 2: Convert to fraction form
   89,110.55/133,701.83 = 39,200.15/x
3. Step 3: Cross multiply
   89,110.55x = 133,701.83 × 39,200.15
4. Step 4: Simplify right side
   89,110.55x = 5,241,131,595.27
5. Step 5: Solve for x
   x = 5,241,131,595.27/89,110.55
6. Step 6: Final answer
   x = 58,816.06