Finding the Fourth Proportional to 89,319.33, 123,251.61 and 53,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,319.33 : 123,251.61 = 53,508.42 : x
2. Step 2: Convert to fraction form
   89,319.33/123,251.61 = 53,508.42/x
3. Step 3: Cross multiply
   89,319.33x = 123,251.61 × 53,508.42
4. Step 4: Simplify right side
   89,319.33x = 6,594,998,913.56
5. Step 5: Solve for x
   x = 6,594,998,913.56/89,319.33
6. Step 6: Final answer
   x = 73,836.19