Finding the Fourth Proportional to 13,162.02, 19,740.12 and 3,800

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.02 : 19,740.12 = 3,800 : x
2. Step 2: Convert to fraction form
   13,162.02/19,740.12 = 3,800/x
3. Step 3: Cross multiply
   13,162.02x = 19,740.12 × 3,800
4. Step 4: Simplify right side
   13,162.02x = 75,012,456
5. Step 5: Solve for x
   x = 75,012,456/13,162.02
6. Step 6: Final answer
   x = 5,699.16