Finding the Fourth Proportional to 117,969, 162,796.35 and 64,253.85

Step by Step Solution

1. Step 1: Write the proportion equation
   117,969 : 162,796.35 = 64,253.85 : x
2. Step 2: Convert to fraction form
   117,969/162,796.35 = 64,253.85/x
3. Step 3: Cross multiply
   117,969x = 162,796.35 × 64,253.85
4. Step 4: Simplify right side
   117,969x = 10,460,292,253.45
5. Step 5: Solve for x
   x = 10,460,292,253.45/117,969
6. Step 6: Final answer
   x = 88,669.84