Finding the Fourth Proportional to 63,155.27, 87,033.69 and 45,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   63,155.27 : 87,033.69 = 45,219.12 : x
2. Step 2: Convert to fraction form
   63,155.27/87,033.69 = 45,219.12/x
3. Step 3: Cross multiply
   63,155.27x = 87,033.69 × 45,219.12
4. Step 4: Simplify right side
   63,155.27x = 3,935,586,872.15
5. Step 5: Solve for x
   x = 3,935,586,872.15/63,155.27
6. Step 6: Final answer
   x = 62,316.05