Finding the Fourth Proportional to 113,377.78, 170,066.89 and 42,299.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,377.78 : 170,066.89 = 42,299.37 : x
2. Step 2: Convert to fraction form
   113,377.78/170,066.89 = 42,299.37/x
3. Step 3: Cross multiply
   113,377.78x = 170,066.89 × 42,299.37
4. Step 4: Simplify right side
   113,377.78x = 7,193,722,357.73
5. Step 5: Solve for x
   x = 7,193,722,357.73/113,377.78
6. Step 6: Final answer
   x = 63,449.14