Finding the Fourth Proportional to 89,834.58, 123,977.39 and 51,606.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,834.58 : 123,977.39 = 51,606.09 : x
2. Step 2: Convert to fraction form
   89,834.58/123,977.39 = 51,606.09/x
3. Step 3: Cross multiply
   89,834.58x = 123,977.39 × 51,606.09
4. Step 4: Simplify right side
   89,834.58x = 6,397,988,088.27
5. Step 5: Solve for x
   x = 6,397,988,088.27/89,834.58
6. Step 6: Final answer
   x = 71,219.66