Finding the Fourth Proportional to 12,342.06, 17,009.73 and 9,746.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342.06 : 17,009.73 = 9,746.82 : x
2. Step 2: Convert to fraction form
   12,342.06/17,009.73 = 9,746.82/x
3. Step 3: Cross multiply
   12,342.06x = 17,009.73 × 9,746.82
4. Step 4: Simplify right side
   12,342.06x = 165,790,776.56
5. Step 5: Solve for x
   x = 165,790,776.56/12,342.06
6. Step 6: Final answer
   x = 13,432.99