Finding the Fourth Proportional to 2,634.46, 3,951.86 and 760.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.46 : 3,951.86 = 760.40 : x
2. Step 2: Convert to fraction form
   2,634.46/3,951.86 = 760.40/x
3. Step 3: Cross multiply
   2,634.46x = 3,951.86 × 760.40
4. Step 4: Simplify right side
   2,634.46x = 3,004,994.34
5. Step 5: Solve for x
   x = 3,004,994.34/2,634.46
6. Step 6: Final answer
   x = 1,140.65