Finding the Fourth Proportional to 63,145.49, 87,140.20 and 34,464.87

Step by Step Solution

1. Step 1: Write the proportion equation
   63,145.49 : 87,140.20 = 34,464.87 : x
2. Step 2: Convert to fraction form
   63,145.49/87,140.20 = 34,464.87/x
3. Step 3: Cross multiply
   63,145.49x = 87,140.20 × 34,464.87
4. Step 4: Simplify right side
   63,145.49x = 3,003,275,664.77
5. Step 5: Solve for x
   x = 3,003,275,664.77/63,145.49
6. Step 6: Final answer
   x = 47,561.21