Finding the Fourth Proportional to 9,909.22, 13,671.32 and 5,875.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.22 : 13,671.32 = 5,875.22 : x
2. Step 2: Convert to fraction form
   9,909.22/13,671.32 = 5,875.22/x
3. Step 3: Cross multiply
   9,909.22x = 13,671.32 × 5,875.22
4. Step 4: Simplify right side
   9,909.22x = 80,322,012.69
5. Step 5: Solve for x
   x = 80,322,012.69/9,909.22
6. Step 6: Final answer
   x = 8,105.79