Finding the Fourth Proportional to 1,562.01, 2,155.47 and 898.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.01 : 2,155.47 = 898.83 : x
2. Step 2: Convert to fraction form
   1,562.01/2,155.47 = 898.83/x
3. Step 3: Cross multiply
   1,562.01x = 2,155.47 × 898.83
4. Step 4: Simplify right side
   1,562.01x = 1,937,401.10
5. Step 5: Solve for x
   x = 1,937,401.10/1,562.01
6. Step 6: Final answer
   x = 1,240.33