Finding the Fourth Proportional to 113,562.83, 170,292.33 and 42,433.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,562.83 : 170,292.33 = 42,433.31 : x
2. Step 2: Convert to fraction form
   113,562.83/170,292.33 = 42,433.31/x
3. Step 3: Cross multiply
   113,562.83x = 170,292.33 × 42,433.31
4. Step 4: Simplify right side
   113,562.83x = 7,226,066,378.05
5. Step 5: Solve for x
   x = 7,226,066,378.05/113,562.83
6. Step 6: Final answer
   x = 63,630.56