Finding the Fourth Proportional to 3,693.54, 5,095.50 and 2,121.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,693.54 : 5,095.50 = 2,121.30 : x
2. Step 2: Convert to fraction form
   3,693.54/5,095.50 = 2,121.30/x
3. Step 3: Cross multiply
   3,693.54x = 5,095.50 × 2,121.30
4. Step 4: Simplify right side
   3,693.54x = 10,809,084.15
5. Step 5: Solve for x
   x = 10,809,084.15/3,693.54
6. Step 6: Final answer
   x = 2,926.48