Finding the Fourth Proportional to 1,725.86, 2,589.18 and 904.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.86 : 2,589.18 = 904.52 : x
2. Step 2: Convert to fraction form
   1,725.86/2,589.18 = 904.52/x
3. Step 3: Cross multiply
   1,725.86x = 2,589.18 × 904.52
4. Step 4: Simplify right side
   1,725.86x = 2,341,965.09
5. Step 5: Solve for x
   x = 2,341,965.09/1,725.86
6. Step 6: Final answer
   x = 1,356.98