Finding the Fourth Proportional to 89,731.30, 123,834.68 and 49,445.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,731.30 : 123,834.68 = 49,445.08 : x
2. Step 2: Convert to fraction form
   89,731.30/123,834.68 = 49,445.08/x
3. Step 3: Cross multiply
   89,731.30x = 123,834.68 × 49,445.08
4. Step 4: Simplify right side
   89,731.30x = 6,123,015,659.37
5. Step 5: Solve for x
   x = 6,123,015,659.37/89,731.30
6. Step 6: Final answer
   x = 68,237.23