Finding the Fourth Proportional to 1,713.42, 2,568.78 and 738.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.42 : 2,568.78 = 738.86 : x
2. Step 2: Convert to fraction form
   1,713.42/2,568.78 = 738.86/x
3. Step 3: Cross multiply
   1,713.42x = 2,568.78 × 738.86
4. Step 4: Simplify right side
   1,713.42x = 1,897,955.95
5. Step 5: Solve for x
   x = 1,897,955.95/1,713.42
6. Step 6: Final answer
   x = 1,107.70