Finding the Fourth Proportional to 113,139.25, 169,730.71 and 43,013.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,139.25 : 169,730.71 = 43,013.10 : x
2. Step 2: Convert to fraction form
   113,139.25/169,730.71 = 43,013.10/x
3. Step 3: Cross multiply
   113,139.25x = 169,730.71 × 43,013.10
4. Step 4: Simplify right side
   113,139.25x = 7,300,644,002.30
5. Step 5: Solve for x
   x = 7,300,644,002.30/113,139.25
6. Step 6: Final answer
   x = 64,527.95