Finding the Fourth Proportional to 116,911.27, 161,337.47 and 63,196.28

Step by Step Solution

1. Step 1: Write the proportion equation
   116,911.27 : 161,337.47 = 63,196.28 : x
2. Step 2: Convert to fraction form
   116,911.27/161,337.47 = 63,196.28/x
3. Step 3: Cross multiply
   116,911.27x = 161,337.47 × 63,196.28
4. Step 4: Simplify right side
   116,911.27x = 10,195,928,489.95
5. Step 5: Solve for x
   x = 10,195,928,489.95/116,911.27
6. Step 6: Final answer
   x = 87,210.83