Finding the Fourth Proportional to 187,112.01, 258,141.27 and 115,367.47

Step by Step Solution

1. Step 1: Write the proportion equation
   187,112.01 : 258,141.27 = 115,367.47 : x
2. Step 2: Convert to fraction form
   187,112.01/258,141.27 = 115,367.47/x
3. Step 3: Cross multiply
   187,112.01x = 258,141.27 × 115,367.47
4. Step 4: Simplify right side
   187,112.01x = 29,781,105,222.49
5. Step 5: Solve for x
   x = 29,781,105,222.49/187,112.01
6. Step 6: Final answer
   x = 159,161.91