Finding the Fourth Proportional to 63,136.60, 87,129 and 34,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,136.60 : 87,129 = 34,456.48 : x
2. Step 2: Convert to fraction form
   63,136.60/87,129 = 34,456.48/x
3. Step 3: Cross multiply
   63,136.60x = 87,129 × 34,456.48
4. Step 4: Simplify right side
   63,136.60x = 3,002,158,428.10
5. Step 5: Solve for x
   x = 3,002,158,428.10/63,136.60
6. Step 6: Final answer
   x = 47,550.21