Finding the Fourth Proportional to 113,227.61, 169,869.25 and 56,328.38

Step by Step Solution

1. Step 1: Write the proportion equation
   113,227.61 : 169,869.25 = 56,328.38 : x
2. Step 2: Convert to fraction form
   113,227.61/169,869.25 = 56,328.38/x
3. Step 3: Cross multiply
   113,227.61x = 169,869.25 × 56,328.38
4. Step 4: Simplify right side
   113,227.61x = 9,568,459,522.39
5. Step 5: Solve for x
   x = 9,568,459,522.39/113,227.61
6. Step 6: Final answer
   x = 84,506.42