Finding the Fourth Proportional to 22,298.01, 30,771 and 12,866.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,298.01 : 30,771 = 12,866.37 : x
2. Step 2: Convert to fraction form
   22,298.01/30,771 = 12,866.37/x
3. Step 3: Cross multiply
   22,298.01x = 30,771 × 12,866.37
4. Step 4: Simplify right side
   22,298.01x = 395,911,071.27
5. Step 5: Solve for x
   x = 395,911,071.27/22,298.01
6. Step 6: Final answer
   x = 17,755.44