Finding the Fourth Proportional to 5,543.60, 7,648.20 and 3,555.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543.60 : 7,648.20 = 3,555.23 : x
2. Step 2: Convert to fraction form
   5,543.60/7,648.20 = 3,555.23/x
3. Step 3: Cross multiply
   5,543.60x = 7,648.20 × 3,555.23
4. Step 4: Simplify right side
   5,543.60x = 27,191,071.85
5. Step 5: Solve for x
   x = 27,191,071.85/5,543.60
6. Step 6: Final answer
   x = 4,904.95