Finding the Fourth Proportional to 10,144.65, 13,998.82 and 5,607.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.65 : 13,998.82 = 5,607.14 : x
2. Step 2: Convert to fraction form
   10,144.65/13,998.82 = 5,607.14/x
3. Step 3: Cross multiply
   10,144.65x = 13,998.82 × 5,607.14
4. Step 4: Simplify right side
   10,144.65x = 78,493,343.57
5. Step 5: Solve for x
   x = 78,493,343.57/10,144.65
6. Step 6: Final answer
   x = 7,737.41