Finding the Fourth Proportional to 2,342.72, 3,513.12 and 1,043.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.72 : 3,513.12 = 1,043.30 : x
2. Step 2: Convert to fraction form
   2,342.72/3,513.12 = 1,043.30/x
3. Step 3: Cross multiply
   2,342.72x = 3,513.12 × 1,043.30
4. Step 4: Simplify right side
   2,342.72x = 3,665,238.10
5. Step 5: Solve for x
   x = 3,665,238.10/2,342.72
6. Step 6: Final answer
   x = 1,564.52