Finding the Fourth Proportional to 237,312.82, 355,959.98 and 87,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   237,312.82 : 355,959.98 = 87,488.30 : x
2. Step 2: Convert to fraction form
   237,312.82/355,959.98 = 87,488.30/x
3. Step 3: Cross multiply
   237,312.82x = 355,959.98 × 87,488.30
4. Step 4: Simplify right side
   237,312.82x = 31,142,333,518.23
5. Step 5: Solve for x
   x = 31,142,333,518.23/237,312.82
6. Step 6: Final answer
   x = 131,229.04