Finding the Fourth Proportional to 9,233.70, 12,748.60 and 5,702.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,233.70 : 12,748.60 = 5,702.10 : x
2. Step 2: Convert to fraction form
   9,233.70/12,748.60 = 5,702.10/x
3. Step 3: Cross multiply
   9,233.70x = 12,748.60 × 5,702.10
4. Step 4: Simplify right side
   9,233.70x = 72,693,792.06
5. Step 5: Solve for x
   x = 72,693,792.06/9,233.70
6. Step 6: Final answer
   x = 7,872.66