Finding the Fourth Proportional to 1,340.88, 1,849.71 and 898.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.88 : 1,849.71 = 898.93 : x
2. Step 2: Convert to fraction form
   1,340.88/1,849.71 = 898.93/x
3. Step 3: Cross multiply
   1,340.88x = 1,849.71 × 898.93
4. Step 4: Simplify right side
   1,340.88x = 1,662,759.81
5. Step 5: Solve for x
   x = 1,662,759.81/1,340.88
6. Step 6: Final answer
   x = 1,240.05