Finding the Fourth Proportional to 10,065.96, 13,889.97 and 5,588.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,065.96 : 13,889.97 = 5,588.69 : x
2. Step 2: Convert to fraction form
   10,065.96/13,889.97 = 5,588.69/x
3. Step 3: Cross multiply
   10,065.96x = 13,889.97 × 5,588.69
4. Step 4: Simplify right side
   10,065.96x = 77,626,666.99
5. Step 5: Solve for x
   x = 77,626,666.99/10,065.96
6. Step 6: Final answer
   x = 7,711.80