Finding the Fourth Proportional to 9,045.42, 12,482.72 and 5,271.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.42 : 12,482.72 = 5,271.18 : x
2. Step 2: Convert to fraction form
   9,045.42/12,482.72 = 5,271.18/x
3. Step 3: Cross multiply
   9,045.42x = 12,482.72 × 5,271.18
4. Step 4: Simplify right side
   9,045.42x = 65,798,664.01
5. Step 5: Solve for x
   x = 65,798,664.01/9,045.42
6. Step 6: Final answer
   x = 7,274.25