Finding the Fourth Proportional to 89,637.42, 123,694.92 and 49,343.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,637.42 : 123,694.92 = 49,343.34 : x
2. Step 2: Convert to fraction form
   89,637.42/123,694.92 = 49,343.34/x
3. Step 3: Cross multiply
   89,637.42x = 123,694.92 × 49,343.34
4. Step 4: Simplify right side
   89,637.42x = 6,103,520,493.83
5. Step 5: Solve for x
   x = 6,103,520,493.83/89,637.42
6. Step 6: Final answer
   x = 68,091.21