Finding the Fourth Proportional to 7,068.77, 9,756.17 and 5,285.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,068.77 : 9,756.17 = 5,285.21 : x
2. Step 2: Convert to fraction form
   7,068.77/9,756.17 = 5,285.21/x
3. Step 3: Cross multiply
   7,068.77x = 9,756.17 × 5,285.21
4. Step 4: Simplify right side
   7,068.77x = 51,563,332.04
5. Step 5: Solve for x
   x = 51,563,332.04/7,068.77
6. Step 6: Final answer
   x = 7,294.53