Finding the Fourth Proportional to 2,140.98, 2,948.58 and 1,729.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.98 : 2,948.58 = 1,729.10 : x
2. Step 2: Convert to fraction form
   2,140.98/2,948.58 = 1,729.10/x
3. Step 3: Cross multiply
   2,140.98x = 2,948.58 × 1,729.10
4. Step 4: Simplify right side
   2,140.98x = 5,098,374.94
5. Step 5: Solve for x
   x = 5,098,374.94/2,140.98
6. Step 6: Final answer
   x = 2,381.33