Finding the Fourth Proportional to 78,426.88, 108,187.68 and 49,695.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,426.88 : 108,187.68 = 49,695.84 : x
2. Step 2: Convert to fraction form
   78,426.88/108,187.68 = 49,695.84/x
3. Step 3: Cross multiply
   78,426.88x = 108,187.68 × 49,695.84
4. Step 4: Simplify right side
   78,426.88x = 5,376,477,635.25
5. Step 5: Solve for x
   x = 5,376,477,635.25/78,426.88
6. Step 6: Final answer
   x = 68,554.02