Finding the Fourth Proportional to 22,367.02, 30,866.55 and 12,807.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,367.02 : 30,866.55 = 12,807.06 : x
2. Step 2: Convert to fraction form
   22,367.02/30,866.55 = 12,807.06/x
3. Step 3: Cross multiply
   22,367.02x = 30,866.55 × 12,807.06
4. Step 4: Simplify right side
   22,367.02x = 395,309,666.11
5. Step 5: Solve for x
   x = 395,309,666.11/22,367.02
6. Step 6: Final answer
   x = 17,673.77