Finding the Fourth Proportional to 116,906.29, 161,330.58 and 63,191.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,906.29 : 161,330.58 = 63,191.31 : x
2. Step 2: Convert to fraction form
   116,906.29/161,330.58 = 63,191.31/x
3. Step 3: Cross multiply
   116,906.29x = 161,330.58 × 63,191.31
4. Step 4: Simplify right side
   116,906.29x = 10,194,690,693.26
5. Step 5: Solve for x
   x = 10,194,690,693.26/116,906.29
6. Step 6: Final answer
   x = 87,203.95