Finding the Fourth Proportional to 2,980.45, 4,468.92 and 1,131.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.45 : 4,468.92 = 1,131.70 : x
2. Step 2: Convert to fraction form
   2,980.45/4,468.92 = 1,131.70/x
3. Step 3: Cross multiply
   2,980.45x = 4,468.92 × 1,131.70
4. Step 4: Simplify right side
   2,980.45x = 5,057,463.52
5. Step 5: Solve for x
   x = 5,057,463.52/2,980.45
6. Step 6: Final answer
   x = 1,696.88