Finding the Fourth Proportional to 11,543.80, 17,319.72 and 3,647.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,543.80 : 17,319.72 = 3,647.52 : x
2. Step 2: Convert to fraction form
   11,543.80/17,319.72 = 3,647.52/x
3. Step 3: Cross multiply
   11,543.80x = 17,319.72 × 3,647.52
4. Step 4: Simplify right side
   11,543.80x = 63,174,025.09
5. Step 5: Solve for x
   x = 63,174,025.09/11,543.80
6. Step 6: Final answer
   x = 5,472.55