Finding the Fourth Proportional to 10,018.71, 13,817.43 and 7,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.71 : 13,817.43 = 7,506.72 : x
2. Step 2: Convert to fraction form
   10,018.71/13,817.43 = 7,506.72/x
3. Step 3: Cross multiply
   10,018.71x = 13,817.43 × 7,506.72
4. Step 4: Simplify right side
   10,018.71x = 103,723,578.13
5. Step 5: Solve for x
   x = 103,723,578.13/10,018.71
6. Step 6: Final answer
   x = 10,352.99