Finding the Fourth Proportional to 10,362.70, 15,550.86 and 5,685.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,362.70 : 15,550.86 = 5,685.99 : x
2. Step 2: Convert to fraction form
   10,362.70/15,550.86 = 5,685.99/x
3. Step 3: Cross multiply
   10,362.70x = 15,550.86 × 5,685.99
4. Step 4: Simplify right side
   10,362.70x = 88,422,034.45
5. Step 5: Solve for x
   x = 88,422,034.45/10,362.70
6. Step 6: Final answer
   x = 8,532.72