Finding the Fourth Proportional to 10,072.82, 13,898.34 and 5,595.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.82 : 13,898.34 = 5,595.63 : x
2. Step 2: Convert to fraction form
   10,072.82/13,898.34 = 5,595.63/x
3. Step 3: Cross multiply
   10,072.82x = 13,898.34 × 5,595.63
4. Step 4: Simplify right side
   10,072.82x = 77,769,968.25
5. Step 5: Solve for x
   x = 77,769,968.25/10,072.82
6. Step 6: Final answer
   x = 7,720.78