Finding the Fourth Proportional to 2,622.37, 3,925.03 and 1,928.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.37 : 3,925.03 = 1,928.86 : x
2. Step 2: Convert to fraction form
   2,622.37/3,925.03 = 1,928.86/x
3. Step 3: Cross multiply
   2,622.37x = 3,925.03 × 1,928.86
4. Step 4: Simplify right side
   2,622.37x = 7,570,833.37
5. Step 5: Solve for x
   x = 7,570,833.37/2,622.37
6. Step 6: Final answer
   x = 2,887.02