Finding the Fourth Proportional to 1,434.48, 1,979.32 and 844.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.48 : 1,979.32 = 844.86 : x
2. Step 2: Convert to fraction form
   1,434.48/1,979.32 = 844.86/x
3. Step 3: Cross multiply
   1,434.48x = 1,979.32 × 844.86
4. Step 4: Simplify right side
   1,434.48x = 1,672,248.30
5. Step 5: Solve for x
   x = 1,672,248.30/1,434.48
6. Step 6: Final answer
   x = 1,165.75