Finding the Fourth Proportional to 9,050.44, 12,491.31 and 5,274.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.44 : 12,491.31 = 5,274.16 : x
2. Step 2: Convert to fraction form
   9,050.44/12,491.31 = 5,274.16/x
3. Step 3: Cross multiply
   9,050.44x = 12,491.31 × 5,274.16
4. Step 4: Simplify right side
   9,050.44x = 65,881,167.55
5. Step 5: Solve for x
   x = 65,881,167.55/9,050.44
6. Step 6: Final answer
   x = 7,279.33