Finding the Fourth Proportional to 113,540.10, 170,314.83 and 42,455.55

Step by Step Solution

1. Step 1: Write the proportion equation
   113,540.10 : 170,314.83 = 42,455.55 : x
2. Step 2: Convert to fraction form
   113,540.10/170,314.83 = 42,455.55/x
3. Step 3: Cross multiply
   113,540.10x = 170,314.83 × 42,455.55
4. Step 4: Simplify right side
   113,540.10x = 7,230,809,780.81
5. Step 5: Solve for x
   x = 7,230,809,780.81/113,540.10
6. Step 6: Final answer
   x = 63,685.07