Finding the Fourth Proportional to 63,405.69, 87,499.81 and 35,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,405.69 : 87,499.81 = 35,111.38 : x
2. Step 2: Convert to fraction form
   63,405.69/87,499.81 = 35,111.38/x
3. Step 3: Cross multiply
   63,405.69x = 87,499.81 × 35,111.38
4. Step 4: Simplify right side
   63,405.69x = 3,072,239,078.84
5. Step 5: Solve for x
   x = 3,072,239,078.84/63,405.69
6. Step 6: Final answer
   x = 48,453.68