Finding the Fourth Proportional to 14,264.24, 19,684.28 and 7,891.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,264.24 : 19,684.28 = 7,891.10 : x
2. Step 2: Convert to fraction form
   14,264.24/19,684.28 = 7,891.10/x
3. Step 3: Cross multiply
   14,264.24x = 19,684.28 × 7,891.10
4. Step 4: Simplify right side
   14,264.24x = 155,330,484.03
5. Step 5: Solve for x
   x = 155,330,484.03/14,264.24
6. Step 6: Final answer
   x = 10,889.50