Finding the Fourth Proportional to 10,072.47, 13,899.78 and 5,595.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.47 : 13,899.78 = 5,595.96 : x
2. Step 2: Convert to fraction form
   10,072.47/13,899.78 = 5,595.96/x
3. Step 3: Cross multiply
   10,072.47x = 13,899.78 × 5,595.96
4. Step 4: Simplify right side
   10,072.47x = 77,782,612.89
5. Step 5: Solve for x
   x = 77,782,612.89/10,072.47
6. Step 6: Final answer
   x = 7,722.30