Finding the Fourth Proportional to 3,688.38, 5,526.81 and 2,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.38 : 5,526.81 = 2,317.50 : x
2. Step 2: Convert to fraction form
   3,688.38/5,526.81 = 2,317.50/x
3. Step 3: Cross multiply
   3,688.38x = 5,526.81 × 2,317.50
4. Step 4: Simplify right side
   3,688.38x = 12,808,382.18
5. Step 5: Solve for x
   x = 12,808,382.18/3,688.38
6. Step 6: Final answer
   x = 3,472.63