Finding the Fourth Proportional to 11,900.04, 16,419.48 and 7,119.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900.04 : 16,419.48 = 7,119.30 : x
2. Step 2: Convert to fraction form
   11,900.04/16,419.48 = 7,119.30/x
3. Step 3: Cross multiply
   11,900.04x = 16,419.48 × 7,119.30
4. Step 4: Simplify right side
   11,900.04x = 116,895,203.96
5. Step 5: Solve for x
   x = 116,895,203.96/11,900.04
6. Step 6: Final answer
   x = 9,823.09