Finding the Fourth Proportional to 12,402.43, 17,111.13 and 7,093.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.43 : 17,111.13 = 7,093.45 : x
2. Step 2: Convert to fraction form
   12,402.43/17,111.13 = 7,093.45/x
3. Step 3: Cross multiply
   12,402.43x = 17,111.13 × 7,093.45
4. Step 4: Simplify right side
   12,402.43x = 121,376,945.10
5. Step 5: Solve for x
   x = 121,376,945.10/12,402.43
6. Step 6: Final answer
   x = 9,786.55