Finding the Fourth Proportional to 12,622.72, 17,418.72 and 7,032.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,622.72 : 17,418.72 = 7,032.64 : x
2. Step 2: Convert to fraction form
   12,622.72/17,418.72 = 7,032.64/x
3. Step 3: Cross multiply
   12,622.72x = 17,418.72 × 7,032.64
4. Step 4: Simplify right side
   12,622.72x = 122,499,587.02
5. Step 5: Solve for x
   x = 122,499,587.02/12,622.72
6. Step 6: Final answer
   x = 9,704.69