Finding the Fourth Proportional to 2,633.42, 3,950.69 and 784.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.42 : 3,950.69 = 784.68 : x
2. Step 2: Convert to fraction form
   2,633.42/3,950.69 = 784.68/x
3. Step 3: Cross multiply
   2,633.42x = 3,950.69 × 784.68
4. Step 4: Simplify right side
   2,633.42x = 3,100,027.43
5. Step 5: Solve for x
   x = 3,100,027.43/2,633.42
6. Step 6: Final answer
   x = 1,177.19