Finding the Fourth Proportional to 59,867.59, 89,810.62 and 20,415.48

Step by Step Solution

1. Step 1: Write the proportion equation
   59,867.59 : 89,810.62 = 20,415.48 : x
2. Step 2: Convert to fraction form
   59,867.59/89,810.62 = 20,415.48/x
3. Step 3: Cross multiply
   59,867.59x = 89,810.62 × 20,415.48
4. Step 4: Simplify right side
   59,867.59x = 1,833,527,022.29
5. Step 5: Solve for x
   x = 1,833,527,022.29/59,867.59
6. Step 6: Final answer
   x = 30,626.37