Finding the Fourth Proportional to 1,434.94, 2,155.50 and 1,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.94 : 2,155.50 = 1,351.72 : x
2. Step 2: Convert to fraction form
   1,434.94/2,155.50 = 1,351.72/x
3. Step 3: Cross multiply
   1,434.94x = 2,155.50 × 1,351.72
4. Step 4: Simplify right side
   1,434.94x = 2,913,632.46
5. Step 5: Solve for x
   x = 2,913,632.46/1,434.94
6. Step 6: Final answer
   x = 2,030.49