Finding the Fourth Proportional to 2,622.51, 3,932.55 and 979.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.51 : 3,932.55 = 979.02 : x
2. Step 2: Convert to fraction form
   2,622.51/3,932.55 = 979.02/x
3. Step 3: Cross multiply
   2,622.51x = 3,932.55 × 979.02
4. Step 4: Simplify right side
   2,622.51x = 3,850,045.10
5. Step 5: Solve for x
   x = 3,850,045.10/2,622.51
6. Step 6: Final answer
   x = 1,468.08