Finding the Fourth Proportional to 9,054.32, 12,495.08 and 5,517.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.32 : 12,495.08 = 5,517.86 : x
2. Step 2: Convert to fraction form
   9,054.32/12,495.08 = 5,517.86/x
3. Step 3: Cross multiply
   9,054.32x = 12,495.08 × 5,517.86
4. Step 4: Simplify right side
   9,054.32x = 68,946,074.54
5. Step 5: Solve for x
   x = 68,946,074.54/9,054.32
6. Step 6: Final answer
   x = 7,614.72