Finding the Fourth Proportional to 78,696.50, 108,601.19 and 42,886.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,696.50 : 108,601.19 = 42,886.52 : x
2. Step 2: Convert to fraction form
   78,696.50/108,601.19 = 42,886.52/x
3. Step 3: Cross multiply
   78,696.50x = 108,601.19 × 42,886.52
4. Step 4: Simplify right side
   78,696.50x = 4,657,527,485.68
5. Step 5: Solve for x
   x = 4,657,527,485.68/78,696.50
6. Step 6: Final answer
   x = 59,183.41