Finding the Fourth Proportional to 12,456.32, 17,194.52 and 9,125.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.32 : 17,194.52 = 9,125.58 : x
2. Step 2: Convert to fraction form
   12,456.32/17,194.52 = 9,125.58/x
3. Step 3: Cross multiply
   12,456.32x = 17,194.52 × 9,125.58
4. Step 4: Simplify right side
   12,456.32x = 156,909,922.19
5. Step 5: Solve for x
   x = 156,909,922.19/12,456.32
6. Step 6: Final answer
   x = 12,596.82