Finding the Fourth Proportional to 2,892.68, 4,335.78 and 1,159.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.68 : 4,335.78 = 1,159.28 : x
2. Step 2: Convert to fraction form
   2,892.68/4,335.78 = 1,159.28/x
3. Step 3: Cross multiply
   2,892.68x = 4,335.78 × 1,159.28
4. Step 4: Simplify right side
   2,892.68x = 5,026,383.04
5. Step 5: Solve for x
   x = 5,026,383.04/2,892.68
6. Step 6: Final answer
   x = 1,737.62