Finding the Fourth Proportional to 12,412.02, 17,128.68 and 7,106.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,412.02 : 17,128.68 = 7,106.73 : x
2. Step 2: Convert to fraction form
   12,412.02/17,128.68 = 7,106.73/x
3. Step 3: Cross multiply
   12,412.02x = 17,128.68 × 7,106.73
4. Step 4: Simplify right side
   12,412.02x = 121,728,904.02
5. Step 5: Solve for x
   x = 121,728,904.02/12,412.02
6. Step 6: Final answer
   x = 9,807.34