Finding the Fourth Proportional to 22,019.63, 33,022.50 and 7,225.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.63 : 33,022.50 = 7,225.10 : x
2. Step 2: Convert to fraction form
   22,019.63/33,022.50 = 7,225.10/x
3. Step 3: Cross multiply
   22,019.63x = 33,022.50 × 7,225.10
4. Step 4: Simplify right side
   22,019.63x = 238,590,699.64
5. Step 5: Solve for x
   x = 238,590,699.64/22,019.63
6. Step 6: Final answer
   x = 10,835.37