Finding the Fourth Proportional to 76,401.59, 105,438.96 and 44,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,401.59 : 105,438.96 = 44,137.56 : x
2. Step 2: Convert to fraction form
   76,401.59/105,438.96 = 44,137.56/x
3. Step 3: Cross multiply
   76,401.59x = 105,438.96 × 44,137.56
4. Step 4: Simplify right side
   76,401.59x = 4,653,818,423.34
5. Step 5: Solve for x
   x = 4,653,818,423.34/76,401.59
6. Step 6: Final answer
   x = 60,912.59