Finding the Fourth Proportional to 3,702.69, 5,552.39 and 1,392.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,702.69 : 5,552.39 = 1,392.57 : x
2. Step 2: Convert to fraction form
   3,702.69/5,552.39 = 1,392.57/x
3. Step 3: Cross multiply
   3,702.69x = 5,552.39 × 1,392.57
4. Step 4: Simplify right side
   3,702.69x = 7,732,084.78
5. Step 5: Solve for x
   x = 7,732,084.78/3,702.69
6. Step 6: Final answer
   x = 2,088.23