Finding the Fourth Proportional to 14,886.79, 20,543.69 and 8,080.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,886.79 : 20,543.69 = 8,080.82 : x
2. Step 2: Convert to fraction form
   14,886.79/20,543.69 = 8,080.82/x
3. Step 3: Cross multiply
   14,886.79x = 20,543.69 × 8,080.82
4. Step 4: Simplify right side
   14,886.79x = 166,009,778.51
5. Step 5: Solve for x
   x = 166,009,778.51/14,886.79
6. Step 6: Final answer
   x = 11,151.48