Finding the Fourth Proportional to 12,564.30, 18,846.18 and 3,799.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,564.30 : 18,846.18 = 3,799.92 : x
2. Step 2: Convert to fraction form
   12,564.30/18,846.18 = 3,799.92/x
3. Step 3: Cross multiply
   12,564.30x = 18,846.18 × 3,799.92
4. Step 4: Simplify right side
   12,564.30x = 71,613,976.31
5. Step 5: Solve for x
   x = 71,613,976.31/12,564.30
6. Step 6: Final answer
   x = 5,699.80