Finding the Fourth Proportional to 116,361.72, 174,198.13 and 71,845.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,361.72 : 174,198.13 = 71,845.34 : x
2. Step 2: Convert to fraction form
   116,361.72/174,198.13 = 71,845.34/x
3. Step 3: Cross multiply
   116,361.72x = 174,198.13 × 71,845.34
4. Step 4: Simplify right side
   116,361.72x = 12,515,322,826.61
5. Step 5: Solve for x
   x = 12,515,322,826.61/116,361.72
6. Step 6: Final answer
   x = 107,555.33