Finding the Fourth Proportional to 117,209.37, 161,748.78 and 63,494.61

Step by Step Solution

1. Step 1: Write the proportion equation
   117,209.37 : 161,748.78 = 63,494.61 : x
2. Step 2: Convert to fraction form
   117,209.37/161,748.78 = 63,494.61/x
3. Step 3: Cross multiply
   117,209.37x = 161,748.78 × 63,494.61
4. Step 4: Simplify right side
   117,209.37x = 10,270,175,216.57
5. Step 5: Solve for x
   x = 10,270,175,216.57/117,209.37
6. Step 6: Final answer
   x = 87,622.48