Finding the Fourth Proportional to 63,012.20, 86,955.89 and 36,154.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,012.20 : 86,955.89 = 36,154.10 : x
2. Step 2: Convert to fraction form
   63,012.20/86,955.89 = 36,154.10/x
3. Step 3: Cross multiply
   63,012.20x = 86,955.89 × 36,154.10
4. Step 4: Simplify right side
   63,012.20x = 3,143,811,979.27
5. Step 5: Solve for x
   x = 3,143,811,979.27/63,012.20
6. Step 6: Final answer
   x = 49,892.12