Finding the Fourth Proportional to 2,055.69, 3,084.34 and 900.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.69 : 3,084.34 = 900.63 : x
2. Step 2: Convert to fraction form
   2,055.69/3,084.34 = 900.63/x
3. Step 3: Cross multiply
   2,055.69x = 3,084.34 × 900.63
4. Step 4: Simplify right side
   2,055.69x = 2,777,849.13
5. Step 5: Solve for x
   x = 2,777,849.13/2,055.69
6. Step 6: Final answer
   x = 1,351.30