Finding the Fourth Proportional to 10,085.35, 13,917.59 and 5,609.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.35 : 13,917.59 = 5,609.01 : x
2. Step 2: Convert to fraction form
   10,085.35/13,917.59 = 5,609.01/x
3. Step 3: Cross multiply
   10,085.35x = 13,917.59 × 5,609.01
4. Step 4: Simplify right side
   10,085.35x = 78,063,831.77
5. Step 5: Solve for x
   x = 78,063,831.77/10,085.35
6. Step 6: Final answer
   x = 7,740.32