Finding the Fourth Proportional to 33,685.47, 50,541.30 and 13,959

Step by Step Solution

1. Step 1: Write the proportion equation
   33,685.47 : 50,541.30 = 13,959 : x
2. Step 2: Convert to fraction form
   33,685.47/50,541.30 = 13,959/x
3. Step 3: Cross multiply
   33,685.47x = 50,541.30 × 13,959
4. Step 4: Simplify right side
   33,685.47x = 705,506,006.70
5. Step 5: Solve for x
   x = 705,506,006.70/33,685.47
6. Step 6: Final answer
   x = 20,943.93