Finding the Fourth Proportional to 237,308.31, 355,953.15 and 87,483.83

Step by Step Solution

1. Step 1: Write the proportion equation
   237,308.31 : 355,953.15 = 87,483.83 : x
2. Step 2: Convert to fraction form
   237,308.31/355,953.15 = 87,483.83/x
3. Step 3: Cross multiply
   237,308.31x = 355,953.15 × 87,483.83
4. Step 4: Simplify right side
   237,308.31x = 31,140,143,082.80
5. Step 5: Solve for x
   x = 31,140,143,082.80/237,308.31
6. Step 6: Final answer
   x = 131,222.30