Finding the Fourth Proportional to 2,620.01, 3,929.71 and 976.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.01 : 3,929.71 = 976.37 : x
2. Step 2: Convert to fraction form
   2,620.01/3,929.71 = 976.37/x
3. Step 3: Cross multiply
   2,620.01x = 3,929.71 × 976.37
4. Step 4: Simplify right side
   2,620.01x = 3,836,850.95
5. Step 5: Solve for x
   x = 3,836,850.95/2,620.01
6. Step 6: Final answer
   x = 1,464.44