Finding the Fourth Proportional to 2,292.96, 3,439.50 and 1,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.96 : 3,439.50 = 1,061.40 : x
2. Step 2: Convert to fraction form
   2,292.96/3,439.50 = 1,061.40/x
3. Step 3: Cross multiply
   2,292.96x = 3,439.50 × 1,061.40
4. Step 4: Simplify right side
   2,292.96x = 3,650,685.30
5. Step 5: Solve for x
   x = 3,650,685.30/2,292.96
6. Step 6: Final answer
   x = 1,592.13