Finding the Fourth Proportional to 10,932.17, 15,085.89 and 6,690.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.17 : 15,085.89 = 6,690.29 : x
2. Step 2: Convert to fraction form
   10,932.17/15,085.89 = 6,690.29/x
3. Step 3: Cross multiply
   10,932.17x = 15,085.89 × 6,690.29
4. Step 4: Simplify right side
   10,932.17x = 100,928,903.58
5. Step 5: Solve for x
   x = 100,928,903.58/10,932.17
6. Step 6: Final answer
   x = 9,232.29