Finding the Fourth Proportional to 113,870.34, 170,820.09 and 43,740.54

Step by Step Solution

1. Step 1: Write the proportion equation
   113,870.34 : 170,820.09 = 43,740.54 : x
2. Step 2: Convert to fraction form
   113,870.34/170,820.09 = 43,740.54/x
3. Step 3: Cross multiply
   113,870.34x = 170,820.09 × 43,740.54
4. Step 4: Simplify right side
   113,870.34x = 7,471,762,979.45
5. Step 5: Solve for x
   x = 7,471,762,979.45/113,870.34
6. Step 6: Final answer
   x = 65,616.41