Finding the Fourth Proportional to 2,638.83, 3,950.03 and 1,762.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638.83 : 3,950.03 = 1,762.05 : x
2. Step 2: Convert to fraction form
   2,638.83/3,950.03 = 1,762.05/x
3. Step 3: Cross multiply
   2,638.83x = 3,950.03 × 1,762.05
4. Step 4: Simplify right side
   2,638.83x = 6,960,141.55
5. Step 5: Solve for x
   x = 6,960,141.55/2,638.83
6. Step 6: Final answer
   x = 2,637.59