Finding the Fourth Proportional to 1,369.28, 2,055.69 and 1,175.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.28 : 2,055.69 = 1,175.53 : x
2. Step 2: Convert to fraction form
   1,369.28/2,055.69 = 1,175.53/x
3. Step 3: Cross multiply
   1,369.28x = 2,055.69 × 1,175.53
4. Step 4: Simplify right side
   1,369.28x = 2,416,511.86
5. Step 5: Solve for x
   x = 2,416,511.86/1,369.28
6. Step 6: Final answer
   x = 1,764.80