Finding the Fourth Proportional to 10,591.50, 15,881.55 and 3,569.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,591.50 : 15,881.55 = 3,569.18 : x
2. Step 2: Convert to fraction form
   10,591.50/15,881.55 = 3,569.18/x
3. Step 3: Cross multiply
   10,591.50x = 15,881.55 × 3,569.18
4. Step 4: Simplify right side
   10,591.50x = 56,684,031.22
5. Step 5: Solve for x
   x = 56,684,031.22/10,591.50
6. Step 6: Final answer
   x = 5,351.84