Finding the Fourth Proportional to 117,662.31, 162,373.99 and 63,947.45

Step by Step Solution

1. Step 1: Write the proportion equation
   117,662.31 : 162,373.99 = 63,947.45 : x
2. Step 2: Convert to fraction form
   117,662.31/162,373.99 = 63,947.45/x
3. Step 3: Cross multiply
   117,662.31x = 162,373.99 × 63,947.45
4. Step 4: Simplify right side
   117,662.31x = 10,383,402,805.06
5. Step 5: Solve for x
   x = 10,383,402,805.06/117,662.31
6. Step 6: Final answer
   x = 88,247.48