Finding the Fourth Proportional to 16,991.18, 25,492.24 and 7,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,991.18 : 25,492.24 = 7,127.82 : x
2. Step 2: Convert to fraction form
   16,991.18/25,492.24 = 7,127.82/x
3. Step 3: Cross multiply
   16,991.18x = 25,492.24 × 7,127.82
4. Step 4: Simplify right side
   16,991.18x = 181,704,098.12
5. Step 5: Solve for x
   x = 181,704,098.12/16,991.18
6. Step 6: Final answer
   x = 10,694.02