Finding the Fourth Proportional to 1,356.86, 1,872.45 and 735.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.86 : 1,872.45 = 735.86 : x
2. Step 2: Convert to fraction form
   1,356.86/1,872.45 = 735.86/x
3. Step 3: Cross multiply
   1,356.86x = 1,872.45 × 735.86
4. Step 4: Simplify right side
   1,356.86x = 1,377,851.69
5. Step 5: Solve for x
   x = 1,377,851.69/1,356.86
6. Step 6: Final answer
   x = 1,015.47