Finding the Fourth Proportional to 2,980.58, 4,468.28 and 1,131.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.58 : 4,468.28 = 1,131.21 : x
2. Step 2: Convert to fraction form
   2,980.58/4,468.28 = 1,131.21/x
3. Step 3: Cross multiply
   2,980.58x = 4,468.28 × 1,131.21
4. Step 4: Simplify right side
   2,980.58x = 5,054,557.36
5. Step 5: Solve for x
   x = 5,054,557.36/2,980.58
6. Step 6: Final answer
   x = 1,695.83