Finding the Fourth Proportional to 9,528.63, 13,149.91 and 5,549.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.63 : 13,149.91 = 5,549.10 : x
2. Step 2: Convert to fraction form
   9,528.63/13,149.91 = 5,549.10/x
3. Step 3: Cross multiply
   9,528.63x = 13,149.91 × 5,549.10
4. Step 4: Simplify right side
   9,528.63x = 72,970,165.58
5. Step 5: Solve for x
   x = 72,970,165.58/9,528.63
6. Step 6: Final answer
   x = 7,657.99