Finding the Fourth Proportional to 1,343.34, 1,853.76 and 745.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.34 : 1,853.76 = 745.86 : x
2. Step 2: Convert to fraction form
   1,343.34/1,853.76 = 745.86/x
3. Step 3: Cross multiply
   1,343.34x = 1,853.76 × 745.86
4. Step 4: Simplify right side
   1,343.34x = 1,382,645.43
5. Step 5: Solve for x
   x = 1,382,645.43/1,343.34
6. Step 6: Final answer
   x = 1,029.26