Finding the Fourth Proportional to 2,503.86, 3,755.61 and 1,404.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.86 : 3,755.61 = 1,404.78 : x
2. Step 2: Convert to fraction form
   2,503.86/3,755.61 = 1,404.78/x
3. Step 3: Cross multiply
   2,503.86x = 3,755.61 × 1,404.78
4. Step 4: Simplify right side
   2,503.86x = 5,275,805.82
5. Step 5: Solve for x
   x = 5,275,805.82/2,503.86
6. Step 6: Final answer
   x = 2,107.07