Finding the Fourth Proportional to 14,153.18, 19,532.88 and 7,865.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,153.18 : 19,532.88 = 7,865.54 : x
2. Step 2: Convert to fraction form
   14,153.18/19,532.88 = 7,865.54/x
3. Step 3: Cross multiply
   14,153.18x = 19,532.88 × 7,865.54
4. Step 4: Simplify right side
   14,153.18x = 153,636,648.96
5. Step 5: Solve for x
   x = 153,636,648.96/14,153.18
6. Step 6: Final answer
   x = 10,855.27