Finding the Fourth Proportional to 78,073.94, 107,706.56 and 49,762.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,073.94 : 107,706.56 = 49,762.02 : x
2. Step 2: Convert to fraction form
   78,073.94/107,706.56 = 49,762.02/x
3. Step 3: Cross multiply
   78,073.94x = 107,706.56 × 49,762.02
4. Step 4: Simplify right side
   78,073.94x = 5,359,695,992.85
5. Step 5: Solve for x
   x = 5,359,695,992.85/78,073.94
6. Step 6: Final answer
   x = 68,648.98