Finding the Fourth Proportional to 16,335.82, 24,514.65 and 6,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,335.82 : 24,514.65 = 6,978.02 : x
2. Step 2: Convert to fraction form
   16,335.82/24,514.65 = 6,978.02/x
3. Step 3: Cross multiply
   16,335.82x = 24,514.65 × 6,978.02
4. Step 4: Simplify right side
   16,335.82x = 171,063,779.28
5. Step 5: Solve for x
   x = 171,063,779.28/16,335.82
6. Step 6: Final answer
   x = 10,471.70