Finding the Fourth Proportional to 63,399.80, 87,491.72 and 35,105.49

Step by Step Solution

1. Step 1: Write the proportion equation
   63,399.80 : 87,491.72 = 35,105.49 : x
2. Step 2: Convert to fraction form
   63,399.80/87,491.72 = 35,105.49/x
3. Step 3: Cross multiply
   63,399.80x = 87,491.72 × 35,105.49
4. Step 4: Simplify right side
   63,399.80x = 3,071,439,789.31
5. Step 5: Solve for x
   x = 3,071,439,789.31/63,399.80
6. Step 6: Final answer
   x = 48,445.57