Finding the Fourth Proportional to 10,088.22, 13,921.91 and 5,612.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.22 : 13,921.91 = 5,612.16 : x
2. Step 2: Convert to fraction form
   10,088.22/13,921.91 = 5,612.16/x
3. Step 3: Cross multiply
   10,088.22x = 13,921.91 × 5,612.16
4. Step 4: Simplify right side
   10,088.22x = 78,131,986.43
5. Step 5: Solve for x
   x = 78,131,986.43/10,088.22
6. Step 6: Final answer
   x = 7,744.87