Finding the Fourth Proportional to 2,428.79, 3,350.16 and 1,434.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428.79 : 3,350.16 = 1,434.00 : x
2. Step 2: Convert to fraction form
   2,428.79/3,350.16 = 1,434.00/x
3. Step 3: Cross multiply
   2,428.79x = 3,350.16 × 1,434.00
4. Step 4: Simplify right side
   2,428.79x = 4,804,142.00
5. Step 5: Solve for x
   x = 4,804,142.00/2,428.79
6. Step 6: Final answer
   x = 1,978.00