Finding the Fourth Proportional to 10,809.12, 14,916.78 and 6,029.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,809.12 : 14,916.78 = 6,029.31 : x
2. Step 2: Convert to fraction form
   10,809.12/14,916.78 = 6,029.31/x
3. Step 3: Cross multiply
   10,809.12x = 14,916.78 × 6,029.31
4. Step 4: Simplify right side
   10,809.12x = 89,937,890.82
5. Step 5: Solve for x
   x = 89,937,890.82/10,809.12
6. Step 6: Final answer
   x = 8,320.56