Finding the Fourth Proportional to 10,549.18, 15,820.58 and 3,527.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,549.18 : 15,820.58 = 3,527.39 : x
2. Step 2: Convert to fraction form
   10,549.18/15,820.58 = 3,527.39/x
3. Step 3: Cross multiply
   10,549.18x = 15,820.58 × 3,527.39
4. Step 4: Simplify right side
   10,549.18x = 55,805,355.69
5. Step 5: Solve for x
   x = 55,805,355.69/10,549.18
6. Step 6: Final answer
   x = 5,290.02