Finding the Fourth Proportional to 1,725.32, 2,589.59 and 904.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.32 : 2,589.59 = 904.18 : x
2. Step 2: Convert to fraction form
   1,725.32/2,589.59 = 904.18/x
3. Step 3: Cross multiply
   1,725.32x = 2,589.59 × 904.18
4. Step 4: Simplify right side
   1,725.32x = 2,341,442.54
5. Step 5: Solve for x
   x = 2,341,442.54/1,725.32
6. Step 6: Final answer
   x = 1,357.11