Finding the Fourth Proportional to 10,072.86, 13,900.71 and 5,597.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.86 : 13,900.71 = 5,597.10 : x
2. Step 2: Convert to fraction form
   10,072.86/13,900.71 = 5,597.10/x
3. Step 3: Cross multiply
   10,072.86x = 13,900.71 × 5,597.10
4. Step 4: Simplify right side
   10,072.86x = 77,803,663.94
5. Step 5: Solve for x
   x = 77,803,663.94/10,072.86
6. Step 6: Final answer
   x = 7,724.09