Finding the Fourth Proportional to 33,301.31, 49,970.85 and 12,238.61

Step by Step Solution

1. Step 1: Write the proportion equation
   33,301.31 : 49,970.85 = 12,238.61 : x
2. Step 2: Convert to fraction form
   33,301.31/49,970.85 = 12,238.61/x
3. Step 3: Cross multiply
   33,301.31x = 49,970.85 × 12,238.61
4. Step 4: Simplify right side
   33,301.31x = 611,573,494.66
5. Step 5: Solve for x
   x = 611,573,494.66/33,301.31
6. Step 6: Final answer
   x = 18,364.85