Finding the Fourth Proportional to 10,415.69, 14,358.69 and 7,426.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.69 : 14,358.69 = 7,426.33 : x
2. Step 2: Convert to fraction form
   10,415.69/14,358.69 = 7,426.33/x
3. Step 3: Cross multiply
   10,415.69x = 14,358.69 × 7,426.33
4. Step 4: Simplify right side
   10,415.69x = 106,632,370.31
5. Step 5: Solve for x
   x = 106,632,370.31/10,415.69
6. Step 6: Final answer
   x = 10,237.67