Finding the Fourth Proportional to 10,522.16, 15,781.37 and 3,501.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.16 : 15,781.37 = 3,501.48 : x
2. Step 2: Convert to fraction form
   10,522.16/15,781.37 = 3,501.48/x
3. Step 3: Cross multiply
   10,522.16x = 15,781.37 × 3,501.48
4. Step 4: Simplify right side
   10,522.16x = 55,258,151.43
5. Step 5: Solve for x
   x = 55,258,151.43/10,522.16
6. Step 6: Final answer
   x = 5,251.60