Finding the Fourth Proportional to 10,291.55, 15,432.72 and 3,270.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,291.55 : 15,432.72 = 3,270.26 : x
2. Step 2: Convert to fraction form
   10,291.55/15,432.72 = 3,270.26/x
3. Step 3: Cross multiply
   10,291.55x = 15,432.72 × 3,270.26
4. Step 4: Simplify right side
   10,291.55x = 50,468,929.74
5. Step 5: Solve for x
   x = 50,468,929.74/10,291.55
6. Step 6: Final answer
   x = 4,903.92