Finding the Fourth Proportional to 1,562.24, 2,156.33 and 932.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.24 : 2,156.33 = 932.57 : x
2. Step 2: Convert to fraction form
   1,562.24/2,156.33 = 932.57/x
3. Step 3: Cross multiply
   1,562.24x = 2,156.33 × 932.57
4. Step 4: Simplify right side
   1,562.24x = 2,010,928.67
5. Step 5: Solve for x
   x = 2,010,928.67/1,562.24
6. Step 6: Final answer
   x = 1,287.21