Finding the Fourth Proportional to 2,385.12, 3,577.41 and 1,151.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.12 : 3,577.41 = 1,151.52 : x
2. Step 2: Convert to fraction form
   2,385.12/3,577.41 = 1,151.52/x
3. Step 3: Cross multiply
   2,385.12x = 3,577.41 × 1,151.52
4. Step 4: Simplify right side
   2,385.12x = 4,119,459.16
5. Step 5: Solve for x
   x = 4,119,459.16/2,385.12
6. Step 6: Final answer
   x = 1,727.15