Finding the Fourth Proportional to 89,800.24, 134,612.34 and 76,503.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,800.24 : 134,612.34 = 76,503.28 : x
2. Step 2: Convert to fraction form
   89,800.24/134,612.34 = 76,503.28/x
3. Step 3: Cross multiply
   89,800.24x = 134,612.34 × 76,503.28
4. Step 4: Simplify right side
   89,800.24x = 10,298,285,538.48
5. Step 5: Solve for x
   x = 10,298,285,538.48/89,800.24
6. Step 6: Final answer
   x = 114,679.93