Finding the Fourth Proportional to 1,237.31, 1,857.18 and 588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237.31 : 1,857.18 = 588.50 : x
2. Step 2: Convert to fraction form
   1,237.31/1,857.18 = 588.50/x
3. Step 3: Cross multiply
   1,237.31x = 1,857.18 × 588.50
4. Step 4: Simplify right side
   1,237.31x = 1,092,950.43
5. Step 5: Solve for x
   x = 1,092,950.43/1,237.31
6. Step 6: Final answer
   x = 883.33