Finding the Fourth Proportional to 17,368.83, 23,969 and 9,411.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,368.83 : 23,969 = 9,411.05 : x
2. Step 2: Convert to fraction form
   17,368.83/23,969 = 9,411.05/x
3. Step 3: Cross multiply
   17,368.83x = 23,969 × 9,411.05
4. Step 4: Simplify right side
   17,368.83x = 225,573,457.45
5. Step 5: Solve for x
   x = 225,573,457.45/17,368.83
6. Step 6: Final answer
   x = 12,987.26