Finding the Fourth Proportional to 116,986.68, 161,441.61 and 63,271.69

Step by Step Solution

1. Step 1: Write the proportion equation
   116,986.68 : 161,441.61 = 63,271.69 : x
2. Step 2: Convert to fraction form
   116,986.68/161,441.61 = 63,271.69/x
3. Step 3: Cross multiply
   116,986.68x = 161,441.61 × 63,271.69
4. Step 4: Simplify right side
   116,986.68x = 10,214,683,501.02
5. Step 5: Solve for x
   x = 10,214,683,501.02/116,986.68
6. Step 6: Final answer
   x = 87,314.93