Finding the Fourth Proportional to 12,329.33, 18,507.15 and 5,312.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.33 : 18,507.15 = 5,312.82 : x
2. Step 2: Convert to fraction form
   12,329.33/18,507.15 = 5,312.82/x
3. Step 3: Cross multiply
   12,329.33x = 18,507.15 × 5,312.82
4. Step 4: Simplify right side
   12,329.33x = 98,325,156.66
5. Step 5: Solve for x
   x = 98,325,156.66/12,329.33
6. Step 6: Final answer
   x = 7,974.90