Finding the Fourth Proportional to 3,658.38, 5,050.86 and 2,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.38 : 5,050.86 = 2,817.50 : x
2. Step 2: Convert to fraction form
   3,658.38/5,050.86 = 2,817.50/x
3. Step 3: Cross multiply
   3,658.38x = 5,050.86 × 2,817.50
4. Step 4: Simplify right side
   3,658.38x = 14,230,762.23
5. Step 5: Solve for x
   x = 14,230,762.23/3,658.38
6. Step 6: Final answer
   x = 3,889.91