Finding the Fourth Proportional to 22,043.52, 30,420.54 and 13,550.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,043.52 : 30,420.54 = 13,550.22 : x
2. Step 2: Convert to fraction form
   22,043.52/30,420.54 = 13,550.22/x
3. Step 3: Cross multiply
   22,043.52x = 30,420.54 × 13,550.22
4. Step 4: Simplify right side
   22,043.52x = 412,205,009.52
5. Step 5: Solve for x
   x = 412,205,009.52/22,043.52
6. Step 6: Final answer
   x = 18,699.60