Finding the Fourth Proportional to 2,749.01, 4,124.45 and 900.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.01 : 4,124.45 = 900.45 : x
2. Step 2: Convert to fraction form
   2,749.01/4,124.45 = 900.45/x
3. Step 3: Cross multiply
   2,749.01x = 4,124.45 × 900.45
4. Step 4: Simplify right side
   2,749.01x = 3,713,863.25
5. Step 5: Solve for x
   x = 3,713,863.25/2,749.01
6. Step 6: Final answer
   x = 1,350.98