Finding the Fourth Proportional to 10,362.45, 15,550.49 and 5,685.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,362.45 : 15,550.49 = 5,685.74 : x
2. Step 2: Convert to fraction form
   10,362.45/15,550.49 = 5,685.74/x
3. Step 3: Cross multiply
   10,362.45x = 15,550.49 × 5,685.74
4. Step 4: Simplify right side
   10,362.45x = 88,415,936.83
5. Step 5: Solve for x
   x = 88,415,936.83/10,362.45
6. Step 6: Final answer
   x = 8,532.34