Finding the Fourth Proportional to 9,912.84, 14,866.78 and 4,071.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.84 : 14,866.78 = 4,071.08 : x
2. Step 2: Convert to fraction form
   9,912.84/14,866.78 = 4,071.08/x
3. Step 3: Cross multiply
   9,912.84x = 14,866.78 × 4,071.08
4. Step 4: Simplify right side
   9,912.84x = 60,523,850.72
5. Step 5: Solve for x
   x = 60,523,850.72/9,912.84
6. Step 6: Final answer
   x = 6,105.60