Finding the Fourth Proportional to 1,730.17, 2,388.07 and 1,067.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.17 : 2,388.07 = 1,067.57 : x
2. Step 2: Convert to fraction form
   1,730.17/2,388.07 = 1,067.57/x
3. Step 3: Cross multiply
   1,730.17x = 2,388.07 × 1,067.57
4. Step 4: Simplify right side
   1,730.17x = 2,549,431.89
5. Step 5: Solve for x
   x = 2,549,431.89/1,730.17
6. Step 6: Final answer
   x = 1,473.52