Finding the Fourth Proportional to 3,693.60, 5,123.52 and 3,569.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.60 : 5,123.52 = 3,569.28 : x
2. Step 2: Convert to fraction form
   3,693.60/5,123.52 = 3,569.28/x
3. Step 3: Cross multiply
   3,693.60x = 5,123.52 × 3,569.28
4. Step 4: Simplify right side
   3,693.60x = 18,287,277.47
5. Step 5: Solve for x
   x = 18,287,277.47/3,693.60
6. Step 6: Final answer
   x = 4,951.07