Finding the Fourth Proportional to 10,104.40, 13,942.42 and 5,627.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.40 : 13,942.42 = 5,627.13 : x
2. Step 2: Convert to fraction form
   10,104.40/13,942.42 = 5,627.13/x
3. Step 3: Cross multiply
   10,104.40x = 13,942.42 × 5,627.13
4. Step 4: Simplify right side
   10,104.40x = 78,455,809.85
5. Step 5: Solve for x
   x = 78,455,809.85/10,104.40
6. Step 6: Final answer
   x = 7,764.52