Finding the Fourth Proportional to 78,662.06, 108,552.38 and 42,852.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,662.06 : 108,552.38 = 42,852.50 : x
2. Step 2: Convert to fraction form
   78,662.06/108,552.38 = 42,852.50/x
3. Step 3: Cross multiply
   78,662.06x = 108,552.38 × 42,852.50
4. Step 4: Simplify right side
   78,662.06x = 4,651,740,863.95
5. Step 5: Solve for x
   x = 4,651,740,863.95/78,662.06
6. Step 6: Final answer
   x = 59,135.76