Finding the Fourth Proportional to 59,139.34, 81,630.38 and 36,485.38

Step by Step Solution

1. Step 1: Write the proportion equation
   59,139.34 : 81,630.38 = 36,485.38 : x
2. Step 2: Convert to fraction form
   59,139.34/81,630.38 = 36,485.38/x
3. Step 3: Cross multiply
   59,139.34x = 81,630.38 × 36,485.38
4. Step 4: Simplify right side
   59,139.34x = 2,978,315,433.84
5. Step 5: Solve for x
   x = 2,978,315,433.84/59,139.34
6. Step 6: Final answer
   x = 50,360.99