Finding the Fourth Proportional to 10,093.67, 13,926.09 and 7,111.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.67 : 13,926.09 = 7,111.15 : x
2. Step 2: Convert to fraction form
   10,093.67/13,926.09 = 7,111.15/x
3. Step 3: Cross multiply
   10,093.67x = 13,926.09 × 7,111.15
4. Step 4: Simplify right side
   10,093.67x = 99,030,514.90
5. Step 5: Solve for x
   x = 99,030,514.90/10,093.67
6. Step 6: Final answer
   x = 9,811.15