Finding the Fourth Proportional to 88,911.27, 133,389.69 and 75,445.27

Step by Step Solution

1. Step 1: Write the proportion equation
   88,911.27 : 133,389.69 = 75,445.27 : x
2. Step 2: Convert to fraction form
   88,911.27/133,389.69 = 75,445.27/x
3. Step 3: Cross multiply
   88,911.27x = 133,389.69 × 75,445.27
4. Step 4: Simplify right side
   88,911.27x = 10,063,621,311.19
5. Step 5: Solve for x
   x = 10,063,621,311.19/88,911.27
6. Step 6: Final answer
   x = 113,187.24