Finding the Fourth Proportional to 12,423.00, 17,146.09 and 7,117.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,423.00 : 17,146.09 = 7,117.81 : x
2. Step 2: Convert to fraction form
   12,423.00/17,146.09 = 7,117.81/x
3. Step 3: Cross multiply
   12,423.00x = 17,146.09 × 7,117.81
4. Step 4: Simplify right side
   12,423.00x = 122,042,576.89
5. Step 5: Solve for x
   x = 122,042,576.89/12,423.00
6. Step 6: Final answer
   x = 9,823.92