Finding the Fourth Proportional to 9,073.64, 12,518.04 and 5,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,073.64 : 12,518.04 = 5,530.72 : x
2. Step 2: Convert to fraction form
   9,073.64/12,518.04 = 5,530.72/x
3. Step 3: Cross multiply
   9,073.64x = 12,518.04 × 5,530.72
4. Step 4: Simplify right side
   9,073.64x = 69,233,774.19
5. Step 5: Solve for x
   x = 69,233,774.19/9,073.64
6. Step 6: Final answer
   x = 7,630.21