Finding the Fourth Proportional to 9,978.36, 14,967.38 and 2,582.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.36 : 14,967.38 = 2,582.22 : x
2. Step 2: Convert to fraction form
   9,978.36/14,967.38 = 2,582.22/x
3. Step 3: Cross multiply
   9,978.36x = 14,967.38 × 2,582.22
4. Step 4: Simplify right side
   9,978.36x = 38,649,067.98
5. Step 5: Solve for x
   x = 38,649,067.98/9,978.36
6. Step 6: Final answer
   x = 3,873.29