Finding the Fourth Proportional to 12,407.12, 17,111.22 and 7,627.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,407.12 : 17,111.22 = 7,627.16 : x
2. Step 2: Convert to fraction form
   12,407.12/17,111.22 = 7,627.16/x
3. Step 3: Cross multiply
   12,407.12x = 17,111.22 × 7,627.16
4. Step 4: Simplify right side
   12,407.12x = 130,510,091.27
5. Step 5: Solve for x
   x = 130,510,091.27/12,407.12
6. Step 6: Final answer
   x = 10,518.96