Finding the Fourth Proportional to 22,090.58, 33,134.79 and 8,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,090.58 : 33,134.79 = 8,238.50 : x
2. Step 2: Convert to fraction form
   22,090.58/33,134.79 = 8,238.50/x
3. Step 3: Cross multiply
   22,090.58x = 33,134.79 × 8,238.50
4. Step 4: Simplify right side
   22,090.58x = 272,980,967.42
5. Step 5: Solve for x
   x = 272,980,967.42/22,090.58
6. Step 6: Final answer
   x = 12,357.35