Finding the Fourth Proportional to 10,088.57, 13,922.49 and 5,612.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.57 : 13,922.49 = 5,612.05 : x
2. Step 2: Convert to fraction form
   10,088.57/13,922.49 = 5,612.05/x
3. Step 3: Cross multiply
   10,088.57x = 13,922.49 × 5,612.05
4. Step 4: Simplify right side
   10,088.57x = 78,133,710.00
5. Step 5: Solve for x
   x = 78,133,710.00/10,088.57
6. Step 6: Final answer
   x = 7,744.78