Finding the Fourth Proportional to 2,520.15, 3,773.13 and 1,901.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.15 : 3,773.13 = 1,901.89 : x
2. Step 2: Convert to fraction form
   2,520.15/3,773.13 = 1,901.89/x
3. Step 3: Cross multiply
   2,520.15x = 3,773.13 × 1,901.89
4. Step 4: Simplify right side
   2,520.15x = 7,176,078.22
5. Step 5: Solve for x
   x = 7,176,078.22/2,520.15
6. Step 6: Final answer
   x = 2,847.48