Finding the Fourth Proportional to 108,071.27, 149,137.78 and 62,760.39

Step by Step Solution

1. Step 1: Write the proportion equation
   108,071.27 : 149,137.78 = 62,760.39 : x
2. Step 2: Convert to fraction form
   108,071.27/149,137.78 = 62,760.39/x
3. Step 3: Cross multiply
   108,071.27x = 149,137.78 × 62,760.39
4. Step 4: Simplify right side
   108,071.27x = 9,359,946,072.91
5. Step 5: Solve for x
   x = 9,359,946,072.91/108,071.27
6. Step 6: Final answer
   x = 86,609.01