Finding the Fourth Proportional to 59,718.43, 89,448.47 and 28,081.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,718.43 : 89,448.47 = 28,081.09 : x
2. Step 2: Convert to fraction form
   59,718.43/89,448.47 = 28,081.09/x
3. Step 3: Cross multiply
   59,718.43x = 89,448.47 × 28,081.09
4. Step 4: Simplify right side
   59,718.43x = 2,511,810,613.14
5. Step 5: Solve for x
   x = 2,511,810,613.14/59,718.43
6. Step 6: Final answer
   x = 42,060.89