Finding the Fourth Proportional to 2,980.22, 4,468.59 and 899.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.22 : 4,468.59 = 899.60 : x
2. Step 2: Convert to fraction form
   2,980.22/4,468.59 = 899.60/x
3. Step 3: Cross multiply
   2,980.22x = 4,468.59 × 899.60
4. Step 4: Simplify right side
   2,980.22x = 4,019,943.56
5. Step 5: Solve for x
   x = 4,019,943.56/2,980.22
6. Step 6: Final answer
   x = 1,348.87