Finding the Fourth Proportional to 2,056.91, 3,087.21 and 1,925.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.91 : 3,087.21 = 1,925.69 : x
2. Step 2: Convert to fraction form
   2,056.91/3,087.21 = 1,925.69/x
3. Step 3: Cross multiply
   2,056.91x = 3,087.21 × 1,925.69
4. Step 4: Simplify right side
   2,056.91x = 5,945,009.42
5. Step 5: Solve for x
   x = 5,945,009.42/2,056.91
6. Step 6: Final answer
   x = 2,890.26