Finding the Fourth Proportional to 168,956.91, 253,471.82 and 50,638.59

Step by Step Solution

1. Step 1: Write the proportion equation
   168,956.91 : 253,471.82 = 50,638.59 : x
2. Step 2: Convert to fraction form
   168,956.91/253,471.82 = 50,638.59/x
3. Step 3: Cross multiply
   168,956.91x = 253,471.82 × 50,638.59
4. Step 4: Simplify right side
   168,956.91x = 12,835,455,316.34
5. Step 5: Solve for x
   x = 12,835,455,316.34/168,956.91
6. Step 6: Final answer
   x = 75,968.81