Finding the Fourth Proportional to 12,613, 17,406.06 and 7,024.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,613 : 17,406.06 = 7,024.12 : x
2. Step 2: Convert to fraction form
   12,613/17,406.06 = 7,024.12/x
3. Step 3: Cross multiply
   12,613x = 17,406.06 × 7,024.12
4. Step 4: Simplify right side
   12,613x = 122,262,254.17
5. Step 5: Solve for x
   x = 122,262,254.17/12,613
6. Step 6: Final answer
   x = 9,693.35