Finding the Fourth Proportional to 9,148.03, 12,624.53 and 5,169.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,148.03 : 12,624.53 = 5,169.05 : x
2. Step 2: Convert to fraction form
   9,148.03/12,624.53 = 5,169.05/x
3. Step 3: Cross multiply
   9,148.03x = 12,624.53 × 5,169.05
4. Step 4: Simplify right side
   9,148.03x = 65,256,785.17
5. Step 5: Solve for x
   x = 65,256,785.17/9,148.03
6. Step 6: Final answer
   x = 7,133.43