Finding the Fourth Proportional to 1,562.52, 2,156.76 and 899.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.52 : 2,156.76 = 899.82 : x
2. Step 2: Convert to fraction form
   1,562.52/2,156.76 = 899.82/x
3. Step 3: Cross multiply
   1,562.52x = 2,156.76 × 899.82
4. Step 4: Simplify right side
   1,562.52x = 1,940,691.07
5. Step 5: Solve for x
   x = 1,940,691.07/1,562.52
6. Step 6: Final answer
   x = 1,242.02