Finding the Fourth Proportional to 10,085.08, 13,917.55 and 5,609.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.08 : 13,917.55 = 5,609.23 : x
2. Step 2: Convert to fraction form
   10,085.08/13,917.55 = 5,609.23/x
3. Step 3: Cross multiply
   10,085.08x = 13,917.55 × 5,609.23
4. Step 4: Simplify right side
   10,085.08x = 78,066,738.99
5. Step 5: Solve for x
   x = 78,066,738.99/10,085.08
6. Step 6: Final answer
   x = 7,740.82