Finding the Fourth Proportional to 1,764.58, 2,433.78 and 1,175.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.58 : 2,433.78 = 1,175.89 : x
2. Step 2: Convert to fraction form
   1,764.58/2,433.78 = 1,175.89/x
3. Step 3: Cross multiply
   1,764.58x = 2,433.78 × 1,175.89
4. Step 4: Simplify right side
   1,764.58x = 2,861,857.56
5. Step 5: Solve for x
   x = 2,861,857.56/1,764.58
6. Step 6: Final answer
   x = 1,621.83