Finding the Fourth Proportional to 2,073.38, 2,861.30 and 1,129.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.38 : 2,861.30 = 1,129.16 : x
2. Step 2: Convert to fraction form
   2,073.38/2,861.30 = 1,129.16/x
3. Step 3: Cross multiply
   2,073.38x = 2,861.30 × 1,129.16
4. Step 4: Simplify right side
   2,073.38x = 3,230,867.02
5. Step 5: Solve for x
   x = 3,230,867.02/2,073.38
6. Step 6: Final answer
   x = 1,558.26