Finding the Fourth Proportional to 2,523.96, 3,784.98 and 1,155

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.96 : 3,784.98 = 1,155 : x
2. Step 2: Convert to fraction form
   2,523.96/3,784.98 = 1,155/x
3. Step 3: Cross multiply
   2,523.96x = 3,784.98 × 1,155
4. Step 4: Simplify right side
   2,523.96x = 4,371,651.90
5. Step 5: Solve for x
   x = 4,371,651.90/2,523.96
6. Step 6: Final answer
   x = 1,732.06