Finding the Fourth Proportional to 3,537.72, 5,301.57 and 2,605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,537.72 : 5,301.57 = 2,605.98 : x
2. Step 2: Convert to fraction form
   3,537.72/5,301.57 = 2,605.98/x
3. Step 3: Cross multiply
   3,537.72x = 5,301.57 × 2,605.98
4. Step 4: Simplify right side
   3,537.72x = 13,815,785.39
5. Step 5: Solve for x
   x = 13,815,785.39/3,537.72
6. Step 6: Final answer
   x = 3,905.28