Finding the Fourth Proportional to 13,162.48, 19,740.81 and 3,800.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.48 : 19,740.81 = 3,800.46 : x
2. Step 2: Convert to fraction form
   13,162.48/19,740.81 = 3,800.46/x
3. Step 3: Cross multiply
   13,162.48x = 19,740.81 × 3,800.46
4. Step 4: Simplify right side
   13,162.48x = 75,024,139.77
5. Step 5: Solve for x
   x = 75,024,139.77/13,162.48
6. Step 6: Final answer
   x = 5,699.85