Finding the Fourth Proportional to 33,697.31, 50,555.69 and 13,972.19

Step by Step Solution

1. Step 1: Write the proportion equation
   33,697.31 : 50,555.69 = 13,972.19 : x
2. Step 2: Convert to fraction form
   33,697.31/50,555.69 = 13,972.19/x
3. Step 3: Cross multiply
   33,697.31x = 50,555.69 × 13,972.19
4. Step 4: Simplify right side
   33,697.31x = 706,373,636.40
5. Step 5: Solve for x
   x = 706,373,636.40/33,697.31
6. Step 6: Final answer
   x = 20,962.32