Finding the Fourth Proportional to 78,087.52, 107,760.76 and 42,277.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,087.52 : 107,760.76 = 42,277.52 : x
2. Step 2: Convert to fraction form
   78,087.52/107,760.76 = 42,277.52/x
3. Step 3: Cross multiply
   78,087.52x = 107,760.76 × 42,277.52
4. Step 4: Simplify right side
   78,087.52x = 4,555,857,686.12
5. Step 5: Solve for x
   x = 4,555,857,686.12/78,087.52
6. Step 6: Final answer
   x = 58,342.97