Finding the Fourth Proportional to 78,614.74, 108,560.42 and 49,943.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,614.74 : 108,560.42 = 49,943.62 : x
2. Step 2: Convert to fraction form
   78,614.74/108,560.42 = 49,943.62/x
3. Step 3: Cross multiply
   78,614.74x = 108,560.42 × 49,943.62
4. Step 4: Simplify right side
   78,614.74x = 5,421,900,363.52
5. Step 5: Solve for x
   x = 5,421,900,363.52/78,614.74
6. Step 6: Final answer
   x = 68,967.99