Finding the Fourth Proportional to 33,600.72, 50,364.18 and 13,868.58

Step by Step Solution

1. Step 1: Write the proportion equation
   33,600.72 : 50,364.18 = 13,868.58 : x
2. Step 2: Convert to fraction form
   33,600.72/50,364.18 = 13,868.58/x
3. Step 3: Cross multiply
   33,600.72x = 50,364.18 × 13,868.58
4. Step 4: Simplify right side
   33,600.72x = 698,479,659.46
5. Step 5: Solve for x
   x = 698,479,659.46/33,600.72
6. Step 6: Final answer
   x = 20,787.64