Finding the Fourth Proportional to 59,638.47, 89,402.01 and 20,167.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59,638.47 : 89,402.01 = 20,167.98 : x
2. Step 2: Convert to fraction form
   59,638.47/89,402.01 = 20,167.98/x
3. Step 3: Cross multiply
   59,638.47x = 89,402.01 × 20,167.98
4. Step 4: Simplify right side
   59,638.47x = 1,803,057,949.64
5. Step 5: Solve for x
   x = 1,803,057,949.64/59,638.47
6. Step 6: Final answer
   x = 30,233.14