Finding the Fourth Proportional to 137,244.59, 189,401.82 and 76,815.12

Step by Step Solution

1. Step 1: Write the proportion equation
   137,244.59 : 189,401.82 = 76,815.12 : x
2. Step 2: Convert to fraction form
   137,244.59/189,401.82 = 76,815.12/x
3. Step 3: Cross multiply
   137,244.59x = 189,401.82 × 76,815.12
4. Step 4: Simplify right side
   137,244.59x = 14,548,923,104.38
5. Step 5: Solve for x
   x = 14,548,923,104.38/137,244.59
6. Step 6: Final answer
   x = 106,007.26