Finding the Fourth Proportional to 116,325.72, 174,144.13 and 71,809.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,325.72 : 174,144.13 = 71,809.34 : x
2. Step 2: Convert to fraction form
   116,325.72/174,144.13 = 71,809.34/x
3. Step 3: Cross multiply
   116,325.72x = 174,144.13 × 71,809.34
4. Step 4: Simplify right side
   116,325.72x = 12,505,173,989.93
5. Step 5: Solve for x
   x = 12,505,173,989.93/116,325.72
6. Step 6: Final answer
   x = 107,501.37