Finding the Fourth Proportional to 89,659.29, 123,730.18 and 53,849.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,659.29 : 123,730.18 = 53,849.91 : x
2. Step 2: Convert to fraction form
   89,659.29/123,730.18 = 53,849.91/x
3. Step 3: Cross multiply
   89,659.29x = 123,730.18 × 53,849.91
4. Step 4: Simplify right side
   89,659.29x = 6,662,858,922.66
5. Step 5: Solve for x
   x = 6,662,858,922.66/89,659.29
6. Step 6: Final answer
   x = 74,313.09