Finding the Fourth Proportional to 59,900.27, 89,861.00 and 20,448.18

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900.27 : 89,861.00 = 20,448.18 : x
2. Step 2: Convert to fraction form
   59,900.27/89,861.00 = 20,448.18/x
3. Step 3: Cross multiply
   59,900.27x = 89,861.00 × 20,448.18
4. Step 4: Simplify right side
   59,900.27x = 1,837,493,800.74
5. Step 5: Solve for x
   x = 1,837,493,800.74/59,900.27
6. Step 6: Final answer
   x = 30,675.89