Finding the Fourth Proportional to 11,670.28, 16,097.94 and 7,130.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,670.28 : 16,097.94 = 7,130.89 : x
2. Step 2: Convert to fraction form
   11,670.28/16,097.94 = 7,130.89/x
3. Step 3: Cross multiply
   11,670.28x = 16,097.94 × 7,130.89
4. Step 4: Simplify right side
   11,670.28x = 114,792,568.94
5. Step 5: Solve for x
   x = 114,792,568.94/11,670.28
6. Step 6: Final answer
   x = 9,836.32