Finding the Fourth Proportional to 116,031.96, 174,089.40 and 71,607

Step by Step Solution

1. Step 1: Write the proportion equation
   116,031.96 : 174,089.40 = 71,607 : x
2. Step 2: Convert to fraction form
   116,031.96/174,089.40 = 71,607/x
3. Step 3: Cross multiply
   116,031.96x = 174,089.40 × 71,607
4. Step 4: Simplify right side
   116,031.96x = 12,466,019,665.80
5. Step 5: Solve for x
   x = 12,466,019,665.80/116,031.96
6. Step 6: Final answer
   x = 107,436.09