Finding the Fourth Proportional to 14,388.42, 19,852.53 and 8,100.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,388.42 : 19,852.53 = 8,100.80 : x
2. Step 2: Convert to fraction form
   14,388.42/19,852.53 = 8,100.80/x
3. Step 3: Cross multiply
   14,388.42x = 19,852.53 × 8,100.80
4. Step 4: Simplify right side
   14,388.42x = 160,821,275.76
5. Step 5: Solve for x
   x = 160,821,275.76/14,388.42
6. Step 6: Final answer
   x = 11,177.13