Finding the Fourth Proportional to 117,705.33, 162,436.56 and 63,994.05

Step by Step Solution

1. Step 1: Write the proportion equation
   117,705.33 : 162,436.56 = 63,994.05 : x
2. Step 2: Convert to fraction form
   117,705.33/162,436.56 = 63,994.05/x
3. Step 3: Cross multiply
   117,705.33x = 162,436.56 × 63,994.05
4. Step 4: Simplify right side
   117,705.33x = 10,394,973,342.47
5. Step 5: Solve for x
   x = 10,394,973,342.47/117,705.33
6. Step 6: Final answer
   x = 88,313.53