Finding the Fourth Proportional to 9,126.12, 12,594.06 and 5,147.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.12 : 12,594.06 = 5,147.22 : x
2. Step 2: Convert to fraction form
   9,126.12/12,594.06 = 5,147.22/x
3. Step 3: Cross multiply
   9,126.12x = 12,594.06 × 5,147.22
4. Step 4: Simplify right side
   9,126.12x = 64,824,397.51
5. Step 5: Solve for x
   x = 64,824,397.51/9,126.12
6. Step 6: Final answer
   x = 7,103.17