Finding the Fourth Proportional to 9,085.76, 12,538.96 and 5,548

Step by Step Solution

1. Step 1: Write the proportion equation
   9,085.76 : 12,538.96 = 5,548 : x
2. Step 2: Convert to fraction form
   9,085.76/12,538.96 = 5,548/x
3. Step 3: Cross multiply
   9,085.76x = 12,538.96 × 5,548
4. Step 4: Simplify right side
   9,085.76x = 69,566,150.08
5. Step 5: Solve for x
   x = 69,566,150.08/9,085.76
6. Step 6: Final answer
   x = 7,656.61