Finding the Fourth Proportional to 3,688.50, 5,095.91 and 3,134.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.50 : 5,095.91 = 3,134.77 : x
2. Step 2: Convert to fraction form
   3,688.50/5,095.91 = 3,134.77/x
3. Step 3: Cross multiply
   3,688.50x = 5,095.91 × 3,134.77
4. Step 4: Simplify right side
   3,688.50x = 15,974,500.89
5. Step 5: Solve for x
   x = 15,974,500.89/3,688.50
6. Step 6: Final answer
   x = 4,330.89