Finding the Fourth Proportional to 117,662.76, 162,374.54 and 63,947.79

Step by Step Solution

1. Step 1: Write the proportion equation
   117,662.76 : 162,374.54 = 63,947.79 : x
2. Step 2: Convert to fraction form
   117,662.76/162,374.54 = 63,947.79/x
3. Step 3: Cross multiply
   117,662.76x = 162,374.54 × 63,947.79
4. Step 4: Simplify right side
   117,662.76x = 10,383,492,665.53
5. Step 5: Solve for x
   x = 10,383,492,665.53/117,662.76
6. Step 6: Final answer
   x = 88,247.91