Finding the Fourth Proportional to 78,114.20, 107,797.86 and 42,304.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,114.20 : 107,797.86 = 42,304.10 : x
2. Step 2: Convert to fraction form
   78,114.20/107,797.86 = 42,304.10/x
3. Step 3: Cross multiply
   78,114.20x = 107,797.86 × 42,304.10
4. Step 4: Simplify right side
   78,114.20x = 4,560,291,449.23
5. Step 5: Solve for x
   x = 4,560,291,449.23/78,114.20
6. Step 6: Final answer
   x = 58,379.80