Finding the Fourth Proportional to 11,804.97, 17,709.89 and 9,870.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,804.97 : 17,709.89 = 9,870.69 : x
2. Step 2: Convert to fraction form
   11,804.97/17,709.89 = 9,870.69/x
3. Step 3: Cross multiply
   11,804.97x = 17,709.89 × 9,870.69
4. Step 4: Simplify right side
   11,804.97x = 174,808,834.12
5. Step 5: Solve for x
   x = 174,808,834.12/11,804.97
6. Step 6: Final answer
   x = 14,808.07