Finding the Fourth Proportional to 14,105.04, 19,464.40 and 7,817.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.04 : 19,464.40 = 7,817.28 : x
2. Step 2: Convert to fraction form
   14,105.04/19,464.40 = 7,817.28/x
3. Step 3: Cross multiply
   14,105.04x = 19,464.40 × 7,817.28
4. Step 4: Simplify right side
   14,105.04x = 152,158,664.83
5. Step 5: Solve for x
   x = 152,158,664.83/14,105.04
6. Step 6: Final answer
   x = 10,787.54