Finding the Fourth Proportional to 116,995.54, 161,453.86 and 63,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   116,995.54 : 161,453.86 = 63,280.56 : x
2. Step 2: Convert to fraction form
   116,995.54/161,453.86 = 63,280.56/x
3. Step 3: Cross multiply
   116,995.54x = 161,453.86 × 63,280.56
4. Step 4: Simplify right side
   116,995.54x = 10,216,890,516.76
5. Step 5: Solve for x
   x = 10,216,890,516.76/116,995.54
6. Step 6: Final answer
   x = 87,327.18