Finding the Fourth Proportional to 2,580.63, 3,870.96 and 632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.63 : 3,870.96 = 632.82 : x
2. Step 2: Convert to fraction form
   2,580.63/3,870.96 = 632.82/x
3. Step 3: Cross multiply
   2,580.63x = 3,870.96 × 632.82
4. Step 4: Simplify right side
   2,580.63x = 2,449,620.91
5. Step 5: Solve for x
   x = 2,449,620.91/2,580.63
6. Step 6: Final answer
   x = 949.23