Finding the Fourth Proportional to 10,626.12, 15,940.62 and 3,699

Step by Step Solution

1. Step 1: Write the proportion equation
   10,626.12 : 15,940.62 = 3,699 : x
2. Step 2: Convert to fraction form
   10,626.12/15,940.62 = 3,699/x
3. Step 3: Cross multiply
   10,626.12x = 15,940.62 × 3,699
4. Step 4: Simplify right side
   10,626.12x = 58,964,353.38
5. Step 5: Solve for x
   x = 58,964,353.38/10,626.12
6. Step 6: Final answer
   x = 5,549.00