Finding the Fourth Proportional to 2,381.34, 3,284.91 and 1,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.34 : 3,284.91 = 1,681.50 : x
2. Step 2: Convert to fraction form
   2,381.34/3,284.91 = 1,681.50/x
3. Step 3: Cross multiply
   2,381.34x = 3,284.91 × 1,681.50
4. Step 4: Simplify right side
   2,381.34x = 5,523,576.17
5. Step 5: Solve for x
   x = 5,523,576.17/2,381.34
6. Step 6: Final answer
   x = 2,319.52