Finding the Fourth Proportional to 1,705.04, 2,352.72 and 1,116.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.04 : 2,352.72 = 1,116.40 : x
2. Step 2: Convert to fraction form
   1,705.04/2,352.72 = 1,116.40/x
3. Step 3: Cross multiply
   1,705.04x = 2,352.72 × 1,116.40
4. Step 4: Simplify right side
   1,705.04x = 2,626,576.61
5. Step 5: Solve for x
   x = 2,626,576.61/1,705.04
6. Step 6: Final answer
   x = 1,540.48