Finding the Fourth Proportional to 10,072.13, 13,899.72 and 5,596.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.13 : 13,899.72 = 5,596.29 : x
2. Step 2: Convert to fraction form
   10,072.13/13,899.72 = 5,596.29/x
3. Step 3: Cross multiply
   10,072.13x = 13,899.72 × 5,596.29
4. Step 4: Simplify right side
   10,072.13x = 77,786,864.04
5. Step 5: Solve for x
   x = 77,786,864.04/10,072.13
6. Step 6: Final answer
   x = 7,722.98