Finding the Fourth Proportional to 12,566.82, 18,850.50 and 3,801.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,566.82 : 18,850.50 = 3,801.72 : x
2. Step 2: Convert to fraction form
   12,566.82/18,850.50 = 3,801.72/x
3. Step 3: Cross multiply
   12,566.82x = 18,850.50 × 3,801.72
4. Step 4: Simplify right side
   12,566.82x = 71,664,322.86
5. Step 5: Solve for x
   x = 71,664,322.86/12,566.82
6. Step 6: Final answer
   x = 5,702.66