Finding the Fourth Proportional to 2,593.55, 3,889.31 and 904.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,593.55 : 3,889.31 = 904.52 : x
2. Step 2: Convert to fraction form
   2,593.55/3,889.31 = 904.52/x
3. Step 3: Cross multiply
   2,593.55x = 3,889.31 × 904.52
4. Step 4: Simplify right side
   2,593.55x = 3,517,934.71
5. Step 5: Solve for x
   x = 3,517,934.71/2,593.55
6. Step 6: Final answer
   x = 1,356.42