Finding the Fourth Proportional to 113,686.38, 170,432.37 and 43,615.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,686.38 : 170,432.37 = 43,615.98 : x
2. Step 2: Convert to fraction form
   113,686.38/170,432.37 = 43,615.98/x
3. Step 3: Cross multiply
   113,686.38x = 170,432.37 × 43,615.98
4. Step 4: Simplify right side
   113,686.38x = 7,433,574,841.27
5. Step 5: Solve for x
   x = 7,433,574,841.27/113,686.38
6. Step 6: Final answer
   x = 65,386.68