Finding the Fourth Proportional to 117,697.55, 162,420.69 and 63,983.91

Step by Step Solution

1. Step 1: Write the proportion equation
   117,697.55 : 162,420.69 = 63,983.91 : x
2. Step 2: Convert to fraction form
   117,697.55/162,420.69 = 63,983.91/x
3. Step 3: Cross multiply
   117,697.55x = 162,420.69 × 63,983.91
4. Step 4: Simplify right side
   117,697.55x = 10,392,310,811.10
5. Step 5: Solve for x
   x = 10,392,310,811.10/117,697.55
6. Step 6: Final answer
   x = 88,296.75