Finding the Fourth Proportional to 113,016.87, 155,904.41 and 67,049.78

Step by Step Solution

1. Step 1: Write the proportion equation
   113,016.87 : 155,904.41 = 67,049.78 : x
2. Step 2: Convert to fraction form
   113,016.87/155,904.41 = 67,049.78/x
3. Step 3: Cross multiply
   113,016.87x = 155,904.41 × 67,049.78
4. Step 4: Simplify right side
   113,016.87x = 10,453,355,779.63
5. Step 5: Solve for x
   x = 10,453,355,779.63/113,016.87
6. Step 6: Final answer
   x = 92,493.76