Finding the Fourth Proportional to 117,683.91, 162,406.95 and 63,972.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,683.91 : 162,406.95 = 63,972.54 : x
2. Step 2: Convert to fraction form
   117,683.91/162,406.95 = 63,972.54/x
3. Step 3: Cross multiply
   117,683.91x = 162,406.95 × 63,972.54
4. Step 4: Simplify right side
   117,683.91x = 10,389,585,105.15
5. Step 5: Solve for x
   x = 10,389,585,105.15/117,683.91
6. Step 6: Final answer
   x = 88,283.82