Finding the Fourth Proportional to 10,068.77, 15,090.39 and 5,688.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.77 : 15,090.39 = 5,688.69 : x
2. Step 2: Convert to fraction form
   10,068.77/15,090.39 = 5,688.69/x
3. Step 3: Cross multiply
   10,068.77x = 15,090.39 × 5,688.69
4. Step 4: Simplify right side
   10,068.77x = 85,844,550.69
5. Step 5: Solve for x
   x = 85,844,550.69/10,068.77
6. Step 6: Final answer
   x = 8,525.83