Finding the Fourth Proportional to 10,072.68, 13,900.89 and 5,596.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.68 : 13,900.89 = 5,596.92 : x
2. Step 2: Convert to fraction form
   10,072.68/13,900.89 = 5,596.92/x
3. Step 3: Cross multiply
   10,072.68x = 13,900.89 × 5,596.92
4. Step 4: Simplify right side
   10,072.68x = 77,802,169.26
5. Step 5: Solve for x
   x = 77,802,169.26/10,072.68
6. Step 6: Final answer
   x = 7,724.08