Finding the Fourth Proportional to 1,373.42, 1,898.43 and 1,264.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.42 : 1,898.43 = 1,264.43 : x
2. Step 2: Convert to fraction form
   1,373.42/1,898.43 = 1,264.43/x
3. Step 3: Cross multiply
   1,373.42x = 1,898.43 × 1,264.43
4. Step 4: Simplify right side
   1,373.42x = 2,400,436.59
5. Step 5: Solve for x
   x = 2,400,436.59/1,373.42
6. Step 6: Final answer
   x = 1,747.79