Finding the Fourth Proportional to 10,072.89, 13,900.51 and 5,596.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.89 : 13,900.51 = 5,596.56 : x
2. Step 2: Convert to fraction form
   10,072.89/13,900.51 = 5,596.56/x
3. Step 3: Cross multiply
   10,072.89x = 13,900.51 × 5,596.56
4. Step 4: Simplify right side
   10,072.89x = 77,795,045.24
5. Step 5: Solve for x
   x = 77,795,045.24/10,072.89
6. Step 6: Final answer
   x = 7,723.21