Finding the Fourth Proportional to 1,898.76, 2,845.89 and 1,434.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.76 : 2,845.89 = 1,434.99 : x
2. Step 2: Convert to fraction form
   1,898.76/2,845.89 = 1,434.99/x
3. Step 3: Cross multiply
   1,898.76x = 2,845.89 × 1,434.99
4. Step 4: Simplify right side
   1,898.76x = 4,083,823.69
5. Step 5: Solve for x
   x = 4,083,823.69/1,898.76
6. Step 6: Final answer
   x = 2,150.78