Finding the Fourth Proportional to 10,518.09, 14,515.24 and 5,738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,518.09 : 14,515.24 = 5,738.12 : x
2. Step 2: Convert to fraction form
   10,518.09/14,515.24 = 5,738.12/x
3. Step 3: Cross multiply
   10,518.09x = 14,515.24 × 5,738.12
4. Step 4: Simplify right side
   10,518.09x = 83,290,123.55
5. Step 5: Solve for x
   x = 83,290,123.55/10,518.09
6. Step 6: Final answer
   x = 7,918.75