Finding the Fourth Proportional to 10,665.35, 14,719.11 and 5,885.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.35 : 14,719.11 = 5,885.74 : x
2. Step 2: Convert to fraction form
   10,665.35/14,719.11 = 5,885.74/x
3. Step 3: Cross multiply
   10,665.35x = 14,719.11 × 5,885.74
4. Step 4: Simplify right side
   10,665.35x = 86,632,872.89
5. Step 5: Solve for x
   x = 86,632,872.89/10,665.35
6. Step 6: Final answer
   x = 8,122.84