Finding the Fourth Proportional to 78,695.62, 108,596.78 and 42,884.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,695.62 : 108,596.78 = 42,884.86 : x
2. Step 2: Convert to fraction form
   78,695.62/108,596.78 = 42,884.86/x
3. Step 3: Cross multiply
   78,695.62x = 108,596.78 × 42,884.86
4. Step 4: Simplify right side
   78,695.62x = 4,657,157,706.75
5. Step 5: Solve for x
   x = 4,657,157,706.75/78,695.62
6. Step 6: Final answer
   x = 59,179.38