Finding the Fourth Proportional to 10,570.28, 15,853.64 and 3,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.28 : 15,853.64 = 3,549.50 : x
2. Step 2: Convert to fraction form
   10,570.28/15,853.64 = 3,549.50/x
3. Step 3: Cross multiply
   10,570.28x = 15,853.64 × 3,549.50
4. Step 4: Simplify right side
   10,570.28x = 56,272,398.16
5. Step 5: Solve for x
   x = 56,272,398.16/10,570.28
6. Step 6: Final answer
   x = 5,323.65