Finding the Fourth Proportional to 14,385.54, 19,838.88 and 9,071.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,385.54 : 19,838.88 = 9,071.10 : x
2. Step 2: Convert to fraction form
   14,385.54/19,838.88 = 9,071.10/x
3. Step 3: Cross multiply
   14,385.54x = 19,838.88 × 9,071.10
4. Step 4: Simplify right side
   14,385.54x = 179,960,464.37
5. Step 5: Solve for x
   x = 179,960,464.37/14,385.54
6. Step 6: Final answer
   x = 12,509.82