Finding the Fourth Proportional to 33,904.32, 50,837.40 and 13,908.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,904.32 : 50,837.40 = 13,908.30 : x
2. Step 2: Convert to fraction form
   33,904.32/50,837.40 = 13,908.30/x
3. Step 3: Cross multiply
   33,904.32x = 50,837.40 × 13,908.30
4. Step 4: Simplify right side
   33,904.32x = 707,061,810.42
5. Step 5: Solve for x
   x = 707,061,810.42/33,904.32
6. Step 6: Final answer
   x = 20,854.62