Finding the Fourth Proportional to 10,089.38, 13,922.65 and 5,612.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.38 : 13,922.65 = 5,612.96 : x
2. Step 2: Convert to fraction form
   10,089.38/13,922.65 = 5,612.96/x
3. Step 3: Cross multiply
   10,089.38x = 13,922.65 × 5,612.96
4. Step 4: Simplify right side
   10,089.38x = 78,147,319.37
5. Step 5: Solve for x
   x = 78,147,319.37/10,089.38
6. Step 6: Final answer
   x = 7,745.51