Finding the Fourth Proportional to 2,518.88, 3,771.27 and 1,900.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.88 : 3,771.27 = 1,900.64 : x
2. Step 2: Convert to fraction form
   2,518.88/3,771.27 = 1,900.64/x
3. Step 3: Cross multiply
   2,518.88x = 3,771.27 × 1,900.64
4. Step 4: Simplify right side
   2,518.88x = 7,167,826.61
5. Step 5: Solve for x
   x = 7,167,826.61/2,518.88
6. Step 6: Final answer
   x = 2,845.64