Finding the Fourth Proportional to 12,326.31, 17,017.90 and 8,023.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,326.31 : 17,017.90 = 8,023.52 : x
2. Step 2: Convert to fraction form
   12,326.31/17,017.90 = 8,023.52/x
3. Step 3: Cross multiply
   12,326.31x = 17,017.90 × 8,023.52
4. Step 4: Simplify right side
   12,326.31x = 136,543,483.49
5. Step 5: Solve for x
   x = 136,543,483.49/12,326.31
6. Step 6: Final answer
   x = 11,077.40