Finding the Fourth Proportional to 1,562.43, 2,156.42 and 932.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.43 : 2,156.42 = 932.99 : x
2. Step 2: Convert to fraction form
   1,562.43/2,156.42 = 932.99/x
3. Step 3: Cross multiply
   1,562.43x = 2,156.42 × 932.99
4. Step 4: Simplify right side
   1,562.43x = 2,011,918.30
5. Step 5: Solve for x
   x = 2,011,918.30/1,562.43
6. Step 6: Final answer
   x = 1,287.69