Finding the Fourth Proportional to 2,981.27, 4,114.17 and 1,803.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.27 : 4,114.17 = 1,803.12 : x
2. Step 2: Convert to fraction form
   2,981.27/4,114.17 = 1,803.12/x
3. Step 3: Cross multiply
   2,981.27x = 4,114.17 × 1,803.12
4. Step 4: Simplify right side
   2,981.27x = 7,418,342.21
5. Step 5: Solve for x
   x = 7,418,342.21/2,981.27
6. Step 6: Final answer
   x = 2,488.32