Finding the Fourth Proportional to 59,582.86, 89,238.18 and 28,439.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59,582.86 : 89,238.18 = 28,439.98 : x
2. Step 2: Convert to fraction form
   59,582.86/89,238.18 = 28,439.98/x
3. Step 3: Cross multiply
   59,582.86x = 89,238.18 × 28,439.98
4. Step 4: Simplify right side
   59,582.86x = 2,537,932,054.44
5. Step 5: Solve for x
   x = 2,537,932,054.44/59,582.86
6. Step 6: Final answer
   x = 42,595.00