Finding the Fourth Proportional to 113,568.05, 156,721.83 and 62,585.48

Step by Step Solution

1. Step 1: Write the proportion equation
   113,568.05 : 156,721.83 = 62,585.48 : x
2. Step 2: Convert to fraction form
   113,568.05/156,721.83 = 62,585.48/x
3. Step 3: Cross multiply
   113,568.05x = 156,721.83 × 62,585.48
4. Step 4: Simplify right side
   113,568.05x = 9,808,510,173.42
5. Step 5: Solve for x
   x = 9,808,510,173.42/113,568.05
6. Step 6: Final answer
   x = 86,366.81