Finding the Fourth Proportional to 2,978.03, 4,467.62 and 898.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.03 : 4,467.62 = 898.16 : x
2. Step 2: Convert to fraction form
   2,978.03/4,467.62 = 898.16/x
3. Step 3: Cross multiply
   2,978.03x = 4,467.62 × 898.16
4. Step 4: Simplify right side
   2,978.03x = 4,012,617.49
5. Step 5: Solve for x
   x = 4,012,617.49/2,978.03
6. Step 6: Final answer
   x = 1,347.41