Finding the Fourth Proportional to 2,385.72, 3,579.02 and 741.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.72 : 3,579.02 = 741.89 : x
2. Step 2: Convert to fraction form
   2,385.72/3,579.02 = 741.89/x
3. Step 3: Cross multiply
   2,385.72x = 3,579.02 × 741.89
4. Step 4: Simplify right side
   2,385.72x = 2,655,217.54
5. Step 5: Solve for x
   x = 2,655,217.54/2,385.72
6. Step 6: Final answer
   x = 1,112.96