Finding the Fourth Proportional to 2,667.16, 4,001.30 and 1,023.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.16 : 4,001.30 = 1,023.69 : x
2. Step 2: Convert to fraction form
   2,667.16/4,001.30 = 1,023.69/x
3. Step 3: Cross multiply
   2,667.16x = 4,001.30 × 1,023.69
4. Step 4: Simplify right side
   2,667.16x = 4,096,070.79
5. Step 5: Solve for x
   x = 4,096,070.79/2,667.16
6. Step 6: Final answer
   x = 1,535.75