Finding the Fourth Proportional to 33,706.50, 50,566.22 and 12,928.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,706.50 : 50,566.22 = 12,928.38 : x
2. Step 2: Convert to fraction form
   33,706.50/50,566.22 = 12,928.38/x
3. Step 3: Cross multiply
   33,706.50x = 50,566.22 × 12,928.38
4. Step 4: Simplify right side
   33,706.50x = 653,739,307.32
5. Step 5: Solve for x
   x = 653,739,307.32/33,706.50
6. Step 6: Final answer
   x = 19,395.05