Finding the Fourth Proportional to 1,074.83, 1,610.24 and 902.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.83 : 1,610.24 = 902.61 : x
2. Step 2: Convert to fraction form
   1,074.83/1,610.24 = 902.61/x
3. Step 3: Cross multiply
   1,074.83x = 1,610.24 × 902.61
4. Step 4: Simplify right side
   1,074.83x = 1,453,414.21
5. Step 5: Solve for x
   x = 1,453,414.21/1,074.83
6. Step 6: Final answer
   x = 1,352.23