Finding the Fourth Proportional to 12,564.28, 18,847.86 and 3,799.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,564.28 : 18,847.86 = 3,799.72 : x
2. Step 2: Convert to fraction form
   12,564.28/18,847.86 = 3,799.72/x
3. Step 3: Cross multiply
   12,564.28x = 18,847.86 × 3,799.72
4. Step 4: Simplify right side
   12,564.28x = 71,616,590.60
5. Step 5: Solve for x
   x = 71,616,590.60/12,564.28
6. Step 6: Final answer
   x = 5,700.02