Finding the Fourth Proportional to 135,016.29, 186,333.39 and 74,592.23

Step by Step Solution

1. Step 1: Write the proportion equation
   135,016.29 : 186,333.39 = 74,592.23 : x
2. Step 2: Convert to fraction form
   135,016.29/186,333.39 = 74,592.23/x
3. Step 3: Cross multiply
   135,016.29x = 186,333.39 × 74,592.23
4. Step 4: Simplify right side
   135,016.29x = 13,899,022,151.89
5. Step 5: Solve for x
   x = 13,899,022,151.89/135,016.29
6. Step 6: Final answer
   x = 102,943.30