Finding the Fourth Proportional to 10,168.84, 14,022.30 and 7,521.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,168.84 : 14,022.30 = 7,521.76 : x
2. Step 2: Convert to fraction form
   10,168.84/14,022.30 = 7,521.76/x
3. Step 3: Cross multiply
   10,168.84x = 14,022.30 × 7,521.76
4. Step 4: Simplify right side
   10,168.84x = 105,472,375.25
5. Step 5: Solve for x
   x = 105,472,375.25/10,168.84
6. Step 6: Final answer
   x = 10,372.11