Finding the Fourth Proportional to 2,059.56, 3,087.72 and 904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.56 : 3,087.72 = 904.50 : x
2. Step 2: Convert to fraction form
   2,059.56/3,087.72 = 904.50/x
3. Step 3: Cross multiply
   2,059.56x = 3,087.72 × 904.50
4. Step 4: Simplify right side
   2,059.56x = 2,792,842.74
5. Step 5: Solve for x
   x = 2,792,842.74/2,059.56
6. Step 6: Final answer
   x = 1,356.04