Finding the Fourth Proportional to 2,120.58, 2,925.72 and 1,726.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.58 : 2,925.72 = 1,726.92 : x
2. Step 2: Convert to fraction form
   2,120.58/2,925.72 = 1,726.92/x
3. Step 3: Cross multiply
   2,120.58x = 2,925.72 × 1,726.92
4. Step 4: Simplify right side
   2,120.58x = 5,052,484.38
5. Step 5: Solve for x
   x = 5,052,484.38/2,120.58
6. Step 6: Final answer
   x = 2,382.60