Finding the Fourth Proportional to 2,632.46, 3,948.86 and 758.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.46 : 3,948.86 = 758.40 : x
2. Step 2: Convert to fraction form
   2,632.46/3,948.86 = 758.40/x
3. Step 3: Cross multiply
   2,632.46x = 3,948.86 × 758.40
4. Step 4: Simplify right side
   2,632.46x = 2,994,791.89
5. Step 5: Solve for x
   x = 2,994,791.89/2,632.46
6. Step 6: Final answer
   x = 1,137.64