Finding the Fourth Proportional to 237,586.98, 356,317.86 and 87,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   237,586.98 : 356,317.86 = 87,870.12 : x
2. Step 2: Convert to fraction form
   237,586.98/356,317.86 = 87,870.12/x
3. Step 3: Cross multiply
   237,586.98x = 356,317.86 × 87,870.12
4. Step 4: Simplify right side
   237,586.98x = 31,309,693,116.34
5. Step 5: Solve for x
   x = 31,309,693,116.34/237,586.98
6. Step 6: Final answer
   x = 131,782.02