Finding the Fourth Proportional to 2,664.45, 3,676.86 and 1,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.45 : 3,676.86 = 1,485.72 : x
2. Step 2: Convert to fraction form
   2,664.45/3,676.86 = 1,485.72/x
3. Step 3: Cross multiply
   2,664.45x = 3,676.86 × 1,485.72
4. Step 4: Simplify right side
   2,664.45x = 5,462,784.44
5. Step 5: Solve for x
   x = 5,462,784.44/2,664.45
6. Step 6: Final answer
   x = 2,050.25