Finding the Fourth Proportional to 2,980.06, 4,470.12 and 900.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.06 : 4,470.12 = 900.08 : x
2. Step 2: Convert to fraction form
   2,980.06/4,470.12 = 900.08/x
3. Step 3: Cross multiply
   2,980.06x = 4,470.12 × 900.08
4. Step 4: Simplify right side
   2,980.06x = 4,023,476.78
5. Step 5: Solve for x
   x = 4,023,476.78/2,980.06
6. Step 6: Final answer
   x = 1,350.13