Finding the Fourth Proportional to 63,367.34, 87,443.45 and 36,139.42

Step by Step Solution

1. Step 1: Write the proportion equation
   63,367.34 : 87,443.45 = 36,139.42 : x
2. Step 2: Convert to fraction form
   63,367.34/87,443.45 = 36,139.42/x
3. Step 3: Cross multiply
   63,367.34x = 87,443.45 × 36,139.42
4. Step 4: Simplify right side
   63,367.34x = 3,160,155,629.93
5. Step 5: Solve for x
   x = 3,160,155,629.93/63,367.34
6. Step 6: Final answer
   x = 49,870.42