Finding the Fourth Proportional to 1,432.18, 1,976.20 and 834.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.18 : 1,976.20 = 834.51 : x
2. Step 2: Convert to fraction form
   1,432.18/1,976.20 = 834.51/x
3. Step 3: Cross multiply
   1,432.18x = 1,976.20 × 834.51
4. Step 4: Simplify right side
   1,432.18x = 1,649,158.66
5. Step 5: Solve for x
   x = 1,649,158.66/1,432.18
6. Step 6: Final answer
   x = 1,151.50