Finding the Fourth Proportional to 5,091.57, 7,632.66 and 3,532.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,091.57 : 7,632.66 = 3,532.31 : x
2. Step 2: Convert to fraction form
   5,091.57/7,632.66 = 3,532.31/x
3. Step 3: Cross multiply
   5,091.57x = 7,632.66 × 3,532.31
4. Step 4: Simplify right side
   5,091.57x = 26,960,940.33
5. Step 5: Solve for x
   x = 26,960,940.33/5,091.57
6. Step 6: Final answer
   x = 5,295.21