Finding the Fourth Proportional to 116,866.72, 161,276.01 and 63,151.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,866.72 : 161,276.01 = 63,151.72 : x
2. Step 2: Convert to fraction form
   116,866.72/161,276.01 = 63,151.72/x
3. Step 3: Cross multiply
   116,866.72x = 161,276.01 × 63,151.72
4. Step 4: Simplify right side
   116,866.72x = 10,184,856,786.23
5. Step 5: Solve for x
   x = 10,184,856,786.23/116,866.72
6. Step 6: Final answer
   x = 87,149.33