Finding the Fourth Proportional to 1,156.50, 1,733.10 and 830.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.50 : 1,733.10 = 830.34 : x
2. Step 2: Convert to fraction form
   1,156.50/1,733.10 = 830.34/x
3. Step 3: Cross multiply
   1,156.50x = 1,733.10 × 830.34
4. Step 4: Simplify right side
   1,156.50x = 1,439,062.25
5. Step 5: Solve for x
   x = 1,439,062.25/1,156.50
6. Step 6: Final answer
   x = 1,244.33