Finding the Fourth Proportional to 2,308.63, 3,462.13 and 1,429.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.63 : 3,462.13 = 1,429.78 : x
2. Step 2: Convert to fraction form
   2,308.63/3,462.13 = 1,429.78/x
3. Step 3: Cross multiply
   2,308.63x = 3,462.13 × 1,429.78
4. Step 4: Simplify right side
   2,308.63x = 4,950,084.23
5. Step 5: Solve for x
   x = 4,950,084.23/2,308.63
6. Step 6: Final answer
   x = 2,144.17