Finding the Fourth Proportional to 113,618.27, 156,786.17 and 62,628.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,618.27 : 156,786.17 = 62,628.37 : x
2. Step 2: Convert to fraction form
   113,618.27/156,786.17 = 62,628.37/x
3. Step 3: Cross multiply
   113,618.27x = 156,786.17 × 62,628.37
4. Step 4: Simplify right side
   113,618.27x = 9,819,262,441.65
5. Step 5: Solve for x
   x = 9,819,262,441.65/113,618.27
6. Step 6: Final answer
   x = 86,423.27