Finding the Fourth Proportional to 14,671.59, 21,969.82 and 8,090.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,671.59 : 21,969.82 = 8,090.48 : x
2. Step 2: Convert to fraction form
   14,671.59/21,969.82 = 8,090.48/x
3. Step 3: Cross multiply
   14,671.59x = 21,969.82 × 8,090.48
4. Step 4: Simplify right side
   14,671.59x = 177,746,389.31
5. Step 5: Solve for x
   x = 177,746,389.31/14,671.59
6. Step 6: Final answer
   x = 12,115.01