Finding the Fourth Proportional to 10,072.31, 13,899.98 and 5,596.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.31 : 13,899.98 = 5,596.49 : x
2. Step 2: Convert to fraction form
   10,072.31/13,899.98 = 5,596.49/x
3. Step 3: Cross multiply
   10,072.31x = 13,899.98 × 5,596.49
4. Step 4: Simplify right side
   10,072.31x = 77,791,099.07
5. Step 5: Solve for x
   x = 77,791,099.07/10,072.31
6. Step 6: Final answer
   x = 7,723.26