Finding the Fourth Proportional to 2,082.45, 2,870.02 and 1,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.45 : 2,870.02 = 1,726.50 : x
2. Step 2: Convert to fraction form
   2,082.45/2,870.02 = 1,726.50/x
3. Step 3: Cross multiply
   2,082.45x = 2,870.02 × 1,726.50
4. Step 4: Simplify right side
   2,082.45x = 4,955,089.53
5. Step 5: Solve for x
   x = 4,955,089.53/2,082.45
6. Step 6: Final answer
   x = 2,379.45