Finding the Fourth Proportional to 10,089.30, 13,922.49 and 5,612.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.30 : 13,922.49 = 5,612.94 : x
2. Step 2: Convert to fraction form
   10,089.30/13,922.49 = 5,612.94/x
3. Step 3: Cross multiply
   10,089.30x = 13,922.49 × 5,612.94
4. Step 4: Simplify right side
   10,089.30x = 78,146,101.02
5. Step 5: Solve for x
   x = 78,146,101.02/10,089.30
6. Step 6: Final answer
   x = 7,745.44