Finding the Fourth Proportional to 10,089.16, 13,922.59 and 5,612.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.16 : 13,922.59 = 5,612.56 : x
2. Step 2: Convert to fraction form
   10,089.16/13,922.59 = 5,612.56/x
3. Step 3: Cross multiply
   10,089.16x = 13,922.59 × 5,612.56
4. Step 4: Simplify right side
   10,089.16x = 78,141,371.73
5. Step 5: Solve for x
   x = 78,141,371.73/10,089.16
6. Step 6: Final answer
   x = 7,745.08