Finding the Fourth Proportional to 103,164.27, 142,428.81 and 67,414.11

Step by Step Solution

1. Step 1: Write the proportion equation
   103,164.27 : 142,428.81 = 67,414.11 : x
2. Step 2: Convert to fraction form
   103,164.27/142,428.81 = 67,414.11/x
3. Step 3: Cross multiply
   103,164.27x = 142,428.81 × 67,414.11
4. Step 4: Simplify right side
   103,164.27x = 9,601,711,464.51
5. Step 5: Solve for x
   x = 9,601,711,464.51/103,164.27
6. Step 6: Final answer
   x = 93,072.06