Finding the Fourth Proportional to 78,662.10, 108,553.16 and 42,852.13

Step by Step Solution

1. Step 1: Write the proportion equation
   78,662.10 : 108,553.16 = 42,852.13 : x
2. Step 2: Convert to fraction form
   78,662.10/108,553.16 = 42,852.13/x
3. Step 3: Cross multiply
   78,662.10x = 108,553.16 × 42,852.13
4. Step 4: Simplify right side
   78,662.10x = 4,651,734,124.23
5. Step 5: Solve for x
   x = 4,651,734,124.23/78,662.10
6. Step 6: Final answer
   x = 59,135.65