Finding the Fourth Proportional to 2,038.48, 3,061.83 and 1,218.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.48 : 3,061.83 = 1,218.37 : x
2. Step 2: Convert to fraction form
   2,038.48/3,061.83 = 1,218.37/x
3. Step 3: Cross multiply
   2,038.48x = 3,061.83 × 1,218.37
4. Step 4: Simplify right side
   2,038.48x = 3,730,441.82
5. Step 5: Solve for x
   x = 3,730,441.82/2,038.48
6. Step 6: Final answer
   x = 1,830.01