Finding the Fourth Proportional to 10,072.34, 13,900.07 and 5,596.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.34 : 13,900.07 = 5,596.28 : x
2. Step 2: Convert to fraction form
   10,072.34/13,900.07 = 5,596.28/x
3. Step 3: Cross multiply
   10,072.34x = 13,900.07 × 5,596.28
4. Step 4: Simplify right side
   10,072.34x = 77,788,683.74
5. Step 5: Solve for x
   x = 77,788,683.74/10,072.34
6. Step 6: Final answer
   x = 7,723.00