Finding the Fourth Proportional to 3,702.86, 5,521.62 and 3,669.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,702.86 : 5,521.62 = 3,669.52 : x
2. Step 2: Convert to fraction form
   3,702.86/5,521.62 = 3,669.52/x
3. Step 3: Cross multiply
   3,702.86x = 5,521.62 × 3,669.52
4. Step 4: Simplify right side
   3,702.86x = 20,261,681.22
5. Step 5: Solve for x
   x = 20,261,681.22/3,702.86
6. Step 6: Final answer
   x = 5,471.91