Finding the Fourth Proportional to 59,499.50, 89,205.50 and 28,356.62

Step by Step Solution

1. Step 1: Write the proportion equation
   59,499.50 : 89,205.50 = 28,356.62 : x
2. Step 2: Convert to fraction form
   59,499.50/89,205.50 = 28,356.62/x
3. Step 3: Cross multiply
   59,499.50x = 89,205.50 × 28,356.62
4. Step 4: Simplify right side
   59,499.50x = 2,529,566,090.27
5. Step 5: Solve for x
   x = 2,529,566,090.27/59,499.50
6. Step 6: Final answer
   x = 42,514.08