Finding the Fourth Proportional to 1,532.72, 2,115.16 and 834.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.72 : 2,115.16 = 834.10 : x
2. Step 2: Convert to fraction form
   1,532.72/2,115.16 = 834.10/x
3. Step 3: Cross multiply
   1,532.72x = 2,115.16 × 834.10
4. Step 4: Simplify right side
   1,532.72x = 1,764,254.96
5. Step 5: Solve for x
   x = 1,764,254.96/1,532.72
6. Step 6: Final answer
   x = 1,151.06