Finding the Fourth Proportional to 2,713.43, 4,070.18 and 1,153.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.43 : 4,070.18 = 1,153.10 : x
2. Step 2: Convert to fraction form
   2,713.43/4,070.18 = 1,153.10/x
3. Step 3: Cross multiply
   2,713.43x = 4,070.18 × 1,153.10
4. Step 4: Simplify right side
   2,713.43x = 4,693,337.62
5. Step 5: Solve for x
   x = 4,693,337.62/2,713.43
6. Step 6: Final answer
   x = 1,729.67