Finding the Fourth Proportional to 12,407.25, 17,123.10 and 6,819.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,407.25 : 17,123.10 = 6,819.33 : x
2. Step 2: Convert to fraction form
   12,407.25/17,123.10 = 6,819.33/x
3. Step 3: Cross multiply
   12,407.25x = 17,123.10 × 6,819.33
4. Step 4: Simplify right side
   12,407.25x = 116,768,069.52
5. Step 5: Solve for x
   x = 116,768,069.52/12,407.25
6. Step 6: Final answer
   x = 9,411.28