Finding the Fourth Proportional to 2,038.47, 3,061.82 and 1,218.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.47 : 3,061.82 = 1,218.36 : x
2. Step 2: Convert to fraction form
   2,038.47/3,061.82 = 1,218.36/x
3. Step 3: Cross multiply
   2,038.47x = 3,061.82 × 1,218.36
4. Step 4: Simplify right side
   2,038.47x = 3,730,392.92
5. Step 5: Solve for x
   x = 3,730,392.92/2,038.47
6. Step 6: Final answer
   x = 1,830.00