Finding the Fourth Proportional to 9,915.48, 14,872.82 and 4,071.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915.48 : 14,872.82 = 4,071.94 : x
2. Step 2: Convert to fraction form
   9,915.48/14,872.82 = 4,071.94/x
3. Step 3: Cross multiply
   9,915.48x = 14,872.82 × 4,071.94
4. Step 4: Simplify right side
   9,915.48x = 60,561,173.13
5. Step 5: Solve for x
   x = 60,561,173.13/9,915.48
6. Step 6: Final answer
   x = 6,107.74