Finding the Fourth Proportional to 11,200.61, 16,797.34 and 3,702.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,200.61 : 16,797.34 = 3,702.78 : x
2. Step 2: Convert to fraction form
   11,200.61/16,797.34 = 3,702.78/x
3. Step 3: Cross multiply
   11,200.61x = 16,797.34 × 3,702.78
4. Step 4: Simplify right side
   11,200.61x = 62,196,854.61
5. Step 5: Solve for x
   x = 62,196,854.61/11,200.61
6. Step 6: Final answer
   x = 5,552.99