Finding the Fourth Proportional to 59,663.05, 89,494.17 and 20,247.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,663.05 : 89,494.17 = 20,247.91 : x
2. Step 2: Convert to fraction form
   59,663.05/89,494.17 = 20,247.91/x
3. Step 3: Cross multiply
   59,663.05x = 89,494.17 × 20,247.91
4. Step 4: Simplify right side
   59,663.05x = 1,812,069,899.68
5. Step 5: Solve for x
   x = 1,812,069,899.68/59,663.05
6. Step 6: Final answer
   x = 30,371.73