Finding the Fourth Proportional to 10,072.70, 13,900.40 and 5,596.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.70 : 13,900.40 = 5,596.52 : x
2. Step 2: Convert to fraction form
   10,072.70/13,900.40 = 5,596.52/x
3. Step 3: Cross multiply
   10,072.70x = 13,900.40 × 5,596.52
4. Step 4: Simplify right side
   10,072.70x = 77,793,866.61
5. Step 5: Solve for x
   x = 77,793,866.61/10,072.70
6. Step 6: Final answer
   x = 7,723.24