Finding the Fourth Proportional to 10,285.86, 14,194.62 and 5,570.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,285.86 : 14,194.62 = 5,570.28 : x
2. Step 2: Convert to fraction form
   10,285.86/14,194.62 = 5,570.28/x
3. Step 3: Cross multiply
   10,285.86x = 14,194.62 × 5,570.28
4. Step 4: Simplify right side
   10,285.86x = 79,068,007.89
5. Step 5: Solve for x
   x = 79,068,007.89/10,285.86
6. Step 6: Final answer
   x = 7,687.06