Finding the Fourth Proportional to 2,651.64, 3,657.18 and 1,854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.64 : 3,657.18 = 1,854.72 : x
2. Step 2: Convert to fraction form
   2,651.64/3,657.18 = 1,854.72/x
3. Step 3: Cross multiply
   2,651.64x = 3,657.18 × 1,854.72
4. Step 4: Simplify right side
   2,651.64x = 6,783,044.89
5. Step 5: Solve for x
   x = 6,783,044.89/2,651.64
6. Step 6: Final answer
   x = 2,558.06