Finding the Fourth Proportional to 78,737.34, 108,657.86 and 50,459.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,737.34 : 108,657.86 = 50,459.43 : x
2. Step 2: Convert to fraction form
   78,737.34/108,657.86 = 50,459.43/x
3. Step 3: Cross multiply
   78,737.34x = 108,657.86 × 50,459.43
4. Step 4: Simplify right side
   78,737.34x = 5,482,813,680.62
5. Step 5: Solve for x
   x = 5,482,813,680.62/78,737.34
6. Step 6: Final answer
   x = 69,634.23