Finding the Fourth Proportional to 78,695.54, 108,596.69 and 42,884.79

Step by Step Solution

1. Step 1: Write the proportion equation
   78,695.54 : 108,596.69 = 42,884.79 : x
2. Step 2: Convert to fraction form
   78,695.54/108,596.69 = 42,884.79/x
3. Step 3: Cross multiply
   78,695.54x = 108,596.69 × 42,884.79
4. Step 4: Simplify right side
   78,695.54x = 4,657,146,191.74
5. Step 5: Solve for x
   x = 4,657,146,191.74/78,695.54
6. Step 6: Final answer
   x = 59,179.29