Finding the Fourth Proportional to 10,712.54, 14,768.91 and 7,521.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,712.54 : 14,768.91 = 7,521.56 : x
2. Step 2: Convert to fraction form
   10,712.54/14,768.91 = 7,521.56/x
3. Step 3: Cross multiply
   10,712.54x = 14,768.91 × 7,521.56
4. Step 4: Simplify right side
   10,712.54x = 111,085,242.70
5. Step 5: Solve for x
   x = 111,085,242.70/10,712.54
6. Step 6: Final answer
   x = 10,369.65