Finding the Fourth Proportional to 10,066.54, 13,890.72 and 5,759.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.54 : 13,890.72 = 5,759.68 : x
2. Step 2: Convert to fraction form
   10,066.54/13,890.72 = 5,759.68/x
3. Step 3: Cross multiply
   10,066.54x = 13,890.72 × 5,759.68
4. Step 4: Simplify right side
   10,066.54x = 80,006,102.17
5. Step 5: Solve for x
   x = 80,006,102.17/10,066.54
6. Step 6: Final answer
   x = 7,947.73