Finding the Fourth Proportional to 2,119.38, 2,925.05 and 1,764.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.38 : 2,925.05 = 1,764.80 : x
2. Step 2: Convert to fraction form
   2,119.38/2,925.05 = 1,764.80/x
3. Step 3: Cross multiply
   2,119.38x = 2,925.05 × 1,764.80
4. Step 4: Simplify right side
   2,119.38x = 5,162,104.79
5. Step 5: Solve for x
   x = 5,162,104.79/2,119.38
6. Step 6: Final answer
   x = 2,435.67