Finding the Fourth Proportional to 187,301.25, 280,952.15 and 76,493.25

Step by Step Solution

1. Step 1: Write the proportion equation
   187,301.25 : 280,952.15 = 76,493.25 : x
2. Step 2: Convert to fraction form
   187,301.25/280,952.15 = 76,493.25/x
3. Step 3: Cross multiply
   187,301.25x = 280,952.15 × 76,493.25
4. Step 4: Simplify right side
   187,301.25x = 21,490,942,665.52
5. Step 5: Solve for x
   x = 21,490,942,665.52/187,301.25
6. Step 6: Final answer
   x = 114,739.99