Finding the Fourth Proportional to 116,771.48, 175,214.46 and 72,386.48

Step by Step Solution

1. Step 1: Write the proportion equation
   116,771.48 : 175,214.46 = 72,386.48 : x
2. Step 2: Convert to fraction form
   116,771.48/175,214.46 = 72,386.48/x
3. Step 3: Cross multiply
   116,771.48x = 175,214.46 × 72,386.48
4. Step 4: Simplify right side
   116,771.48x = 12,683,158,004.50
5. Step 5: Solve for x
   x = 12,683,158,004.50/116,771.48
6. Step 6: Final answer
   x = 108,615.20