Finding the Fourth Proportional to 2,385.72, 3,575.43 and 1,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.72 : 3,575.43 = 1,150.88 : x
2. Step 2: Convert to fraction form
   2,385.72/3,575.43 = 1,150.88/x
3. Step 3: Cross multiply
   2,385.72x = 3,575.43 × 1,150.88
4. Step 4: Simplify right side
   2,385.72x = 4,114,873.00
5. Step 5: Solve for x
   x = 4,114,873.00/2,385.72
6. Step 6: Final answer
   x = 1,724.79