Finding the Fourth Proportional to 9,979.83, 14,965.41 and 5,298.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,979.83 : 14,965.41 = 5,298.82 : x
2. Step 2: Convert to fraction form
   9,979.83/14,965.41 = 5,298.82/x
3. Step 3: Cross multiply
   9,979.83x = 14,965.41 × 5,298.82
4. Step 4: Simplify right side
   9,979.83x = 79,298,996.27
5. Step 5: Solve for x
   x = 79,298,996.27/9,979.83
6. Step 6: Final answer
   x = 7,945.93