Finding the Fourth Proportional to 22,216.98, 33,330.69 and 15,200.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,216.98 : 33,330.69 = 15,200.31 : x
2. Step 2: Convert to fraction form
   22,216.98/33,330.69 = 15,200.31/x
3. Step 3: Cross multiply
   22,216.98x = 33,330.69 × 15,200.31
4. Step 4: Simplify right side
   22,216.98x = 506,636,820.51
5. Step 5: Solve for x
   x = 506,636,820.51/22,216.98
6. Step 6: Final answer
   x = 22,804.04