Finding the Fourth Proportional to 2,980.62, 4,471.56 and 900.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.62 : 4,471.56 = 900.54 : x
2. Step 2: Convert to fraction form
   2,980.62/4,471.56 = 900.54/x
3. Step 3: Cross multiply
   2,980.62x = 4,471.56 × 900.54
4. Step 4: Simplify right side
   2,980.62x = 4,026,818.64
5. Step 5: Solve for x
   x = 4,026,818.64/2,980.62
6. Step 6: Final answer
   x = 1,351.00