Finding the Fourth Proportional to 2,000.34, 3,002.07 and 1,388.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.34 : 3,002.07 = 1,388.36 : x
2. Step 2: Convert to fraction form
   2,000.34/3,002.07 = 1,388.36/x
3. Step 3: Cross multiply
   2,000.34x = 3,002.07 × 1,388.36
4. Step 4: Simplify right side
   2,000.34x = 4,167,938.89
5. Step 5: Solve for x
   x = 4,167,938.89/2,000.34
6. Step 6: Final answer
   x = 2,083.62