Finding the Fourth Proportional to 9,150.64, 12,627.81 and 5,117.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.64 : 12,627.81 = 5,117.47 : x
2. Step 2: Convert to fraction form
   9,150.64/12,627.81 = 5,117.47/x
3. Step 3: Cross multiply
   9,150.64x = 12,627.81 × 5,117.47
4. Step 4: Simplify right side
   9,150.64x = 64,622,407.27
5. Step 5: Solve for x
   x = 64,622,407.27/9,150.64
6. Step 6: Final answer
   x = 7,062.07