Finding the Fourth Proportional to 12,564.90, 17,340.01 and 8,323.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,564.90 : 17,340.01 = 8,323.34 : x
2. Step 2: Convert to fraction form
   12,564.90/17,340.01 = 8,323.34/x
3. Step 3: Cross multiply
   12,564.90x = 17,340.01 × 8,323.34
4. Step 4: Simplify right side
   12,564.90x = 144,326,691.33
5. Step 5: Solve for x
   x = 144,326,691.33/12,564.90
6. Step 6: Final answer
   x = 11,486.50