Finding the Fourth Proportional to 2,622.42, 3,931.73 and 1,235.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.42 : 3,931.73 = 1,235.00 : x
2. Step 2: Convert to fraction form
   2,622.42/3,931.73 = 1,235.00/x
3. Step 3: Cross multiply
   2,622.42x = 3,931.73 × 1,235.00
4. Step 4: Simplify right side
   2,622.42x = 4,855,660.72
5. Step 5: Solve for x
   x = 4,855,660.72/2,622.42
6. Step 6: Final answer
   x = 1,851.60