Finding the Fourth Proportional to 2,025.42, 3,039.06 and 1,407.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.42 : 3,039.06 = 1,407.60 : x
2. Step 2: Convert to fraction form
   2,025.42/3,039.06 = 1,407.60/x
3. Step 3: Cross multiply
   2,025.42x = 3,039.06 × 1,407.60
4. Step 4: Simplify right side
   2,025.42x = 4,277,780.86
5. Step 5: Solve for x
   x = 4,277,780.86/2,025.42
6. Step 6: Final answer
   x = 2,112.05