Finding the Fourth Proportional to 1,155.86, 1,730.91 and 964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.86 : 1,730.91 = 964.34 : x
2. Step 2: Convert to fraction form
   1,155.86/1,730.91 = 964.34/x
3. Step 3: Cross multiply
   1,155.86x = 1,730.91 × 964.34
4. Step 4: Simplify right side
   1,155.86x = 1,669,185.75
5. Step 5: Solve for x
   x = 1,669,185.75/1,155.86
6. Step 6: Final answer
   x = 1,444.11