Finding the Fourth Proportional to 12,699, 17,524.62 and 7,110.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699 : 17,524.62 = 7,110.12 : x
2. Step 2: Convert to fraction form
   12,699/17,524.62 = 7,110.12/x
3. Step 3: Cross multiply
   12,699x = 17,524.62 × 7,110.12
4. Step 4: Simplify right side
   12,699x = 124,602,151.15
5. Step 5: Solve for x
   x = 124,602,151.15/12,699
6. Step 6: Final answer
   x = 9,811.97