Finding the Fourth Proportional to 1,925.28, 2,658.42 and 1,777.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,925.28 : 2,658.42 = 1,777.86 : x
2. Step 2: Convert to fraction form
   1,925.28/2,658.42 = 1,777.86/x
3. Step 3: Cross multiply
   1,925.28x = 2,658.42 × 1,777.86
4. Step 4: Simplify right side
   1,925.28x = 4,726,298.58
5. Step 5: Solve for x
   x = 4,726,298.58/1,925.28
6. Step 6: Final answer
   x = 2,454.86