Finding the Fourth Proportional to 113,043.81, 155,994.73 and 67,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,043.81 : 155,994.73 = 67,105.42 : x
2. Step 2: Convert to fraction form
   113,043.81/155,994.73 = 67,105.42/x
3. Step 3: Cross multiply
   113,043.81x = 155,994.73 × 67,105.42
4. Step 4: Simplify right side
   113,043.81x = 10,468,091,316.69
5. Step 5: Solve for x
   x = 10,468,091,316.69/113,043.81
6. Step 6: Final answer
   x = 92,602.07