Finding the Fourth Proportional to 116,164.20, 174,123 and 73,911.36

Step by Step Solution

1. Step 1: Write the proportion equation
   116,164.20 : 174,123 = 73,911.36 : x
2. Step 2: Convert to fraction form
   116,164.20/174,123 = 73,911.36/x
3. Step 3: Cross multiply
   116,164.20x = 174,123 × 73,911.36
4. Step 4: Simplify right side
   116,164.20x = 12,869,667,737.28
5. Step 5: Solve for x
   x = 12,869,667,737.28/116,164.20
6. Step 6: Final answer
   x = 110,788.59