Finding the Fourth Proportional to 89,732.60, 123,836.50 and 49,446.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,732.60 : 123,836.50 = 49,446.34 : x
2. Step 2: Convert to fraction form
   89,732.60/123,836.50 = 49,446.34/x
3. Step 3: Cross multiply
   89,732.60x = 123,836.50 × 49,446.34
4. Step 4: Simplify right side
   89,732.60x = 6,123,261,683.41
5. Step 5: Solve for x
   x = 6,123,261,683.41/89,732.60
6. Step 6: Final answer
   x = 68,238.99