Finding the Fourth Proportional to 78,116.04, 107,799.60 and 42,305.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,116.04 : 107,799.60 = 42,305.24 : x
2. Step 2: Convert to fraction form
   78,116.04/107,799.60 = 42,305.24/x
3. Step 3: Cross multiply
   78,116.04x = 107,799.60 × 42,305.24
4. Step 4: Simplify right side
   78,116.04x = 4,560,487,949.90
5. Step 5: Solve for x
   x = 4,560,487,949.90/78,116.04
6. Step 6: Final answer
   x = 58,380.94