Finding the Fourth Proportional to 117,222.53, 161,766.87 and 63,509

Step by Step Solution

1. Step 1: Write the proportion equation
   117,222.53 : 161,766.87 = 63,509 : x
2. Step 2: Convert to fraction form
   117,222.53/161,766.87 = 63,509/x
3. Step 3: Cross multiply
   117,222.53x = 161,766.87 × 63,509
4. Step 4: Simplify right side
   117,222.53x = 10,273,652,146.83
5. Step 5: Solve for x
   x = 10,273,652,146.83/117,222.53
6. Step 6: Final answer
   x = 87,642.30