Finding the Fourth Proportional to 78,114.69, 107,798.31 and 42,304.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,114.69 : 107,798.31 = 42,304.86 : x
2. Step 2: Convert to fraction form
   78,114.69/107,798.31 = 42,304.86/x
3. Step 3: Cross multiply
   78,114.69x = 107,798.31 × 42,304.86
4. Step 4: Simplify right side
   78,114.69x = 4,560,392,412.79
5. Step 5: Solve for x
   x = 4,560,392,412.79/78,114.69
6. Step 6: Final answer
   x = 58,380.73