Finding the Fourth Proportional to 12,412.32, 17,123.16 and 7,104.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,412.32 : 17,123.16 = 7,104.12 : x
2. Step 2: Convert to fraction form
   12,412.32/17,123.16 = 7,104.12/x
3. Step 3: Cross multiply
   12,412.32x = 17,123.16 × 7,104.12
4. Step 4: Simplify right side
   12,412.32x = 121,644,983.42
5. Step 5: Solve for x
   x = 121,644,983.42/12,412.32
6. Step 6: Final answer
   x = 9,800.34