Finding the Fourth Proportional to 237,322.69, 355,974.71 and 87,498.20

Step by Step Solution

1. Step 1: Write the proportion equation
   237,322.69 : 355,974.71 = 87,498.20 : x
2. Step 2: Convert to fraction form
   237,322.69/355,974.71 = 87,498.20/x
3. Step 3: Cross multiply
   237,322.69x = 355,974.71 × 87,498.20
4. Step 4: Simplify right side
   237,322.69x = 31,147,146,370.52
5. Step 5: Solve for x
   x = 31,147,146,370.52/237,322.69
6. Step 6: Final answer
   x = 131,243.86