Finding the Fourth Proportional to 2,000.42, 2,761.72 and 1,339.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.42 : 2,761.72 = 1,339.46 : x
2. Step 2: Convert to fraction form
   2,000.42/2,761.72 = 1,339.46/x
3. Step 3: Cross multiply
   2,000.42x = 2,761.72 × 1,339.46
4. Step 4: Simplify right side
   2,000.42x = 3,699,196.31
5. Step 5: Solve for x
   x = 3,699,196.31/2,000.42
6. Step 6: Final answer
   x = 1,849.21