Finding the Fourth Proportional to 3,701.86, 5,098.98 and 2,580.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,701.86 : 5,098.98 = 2,580.79 : x
2. Step 2: Convert to fraction form
   3,701.86/5,098.98 = 2,580.79/x
3. Step 3: Cross multiply
   3,701.86x = 5,098.98 × 2,580.79
4. Step 4: Simplify right side
   3,701.86x = 13,159,396.59
5. Step 5: Solve for x
   x = 13,159,396.59/3,701.86
6. Step 6: Final answer
   x = 3,554.81