Finding the Fourth Proportional to 113,617.69, 170,426.53 and 30,511.69

Step by Step Solution

1. Step 1: Write the proportion equation
   113,617.69 : 170,426.53 = 30,511.69 : x
2. Step 2: Convert to fraction form
   113,617.69/170,426.53 = 30,511.69/x
3. Step 3: Cross multiply
   113,617.69x = 170,426.53 × 30,511.69
4. Step 4: Simplify right side
   113,617.69x = 5,200,001,063.21
5. Step 5: Solve for x
   x = 5,200,001,063.21/113,617.69
6. Step 6: Final answer
   x = 45,767.53