Finding the Fourth Proportional to 10,095.11, 13,931.15 and 5,557.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.11 : 13,931.15 = 5,557.65 : x
2. Step 2: Convert to fraction form
   10,095.11/13,931.15 = 5,557.65/x
3. Step 3: Cross multiply
   10,095.11x = 13,931.15 × 5,557.65
4. Step 4: Simplify right side
   10,095.11x = 77,424,469.69
5. Step 5: Solve for x
   x = 77,424,469.69/10,095.11
6. Step 6: Final answer
   x = 7,669.50