Finding the Fourth Proportional to 1,928.17, 2,891.61 and 832.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.17 : 2,891.61 = 832.24 : x
2. Step 2: Convert to fraction form
   1,928.17/2,891.61 = 832.24/x
3. Step 3: Cross multiply
   1,928.17x = 2,891.61 × 832.24
4. Step 4: Simplify right side
   1,928.17x = 2,406,513.51
5. Step 5: Solve for x
   x = 2,406,513.51/1,928.17
6. Step 6: Final answer
   x = 1,248.08