Finding the Fourth Proportional to 2,980.89, 4,471.62 and 1,131.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.89 : 4,471.62 = 1,131.51 : x
2. Step 2: Convert to fraction form
   2,980.89/4,471.62 = 1,131.51/x
3. Step 3: Cross multiply
   2,980.89x = 4,471.62 × 1,131.51
4. Step 4: Simplify right side
   2,980.89x = 5,059,665.42
5. Step 5: Solve for x
   x = 5,059,665.42/2,980.89
6. Step 6: Final answer
   x = 1,697.37