Finding the Fourth Proportional to 16,094.90, 24,076.69 and 12,978.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,094.90 : 24,076.69 = 12,978.43 : x
2. Step 2: Convert to fraction form
   16,094.90/24,076.69 = 12,978.43/x
3. Step 3: Cross multiply
   16,094.90x = 24,076.69 × 12,978.43
4. Step 4: Simplify right side
   16,094.90x = 312,477,616.16
5. Step 5: Solve for x
   x = 312,477,616.16/16,094.90
6. Step 6: Final answer
   x = 19,414.69