Finding the Fourth Proportional to 11,618.00, 17,417.20 and 5,039.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.00 : 17,417.20 = 5,039.23 : x
2. Step 2: Convert to fraction form
   11,618.00/17,417.20 = 5,039.23/x
3. Step 3: Cross multiply
   11,618.00x = 17,417.20 × 5,039.23
4. Step 4: Simplify right side
   11,618.00x = 87,769,304.83
5. Step 5: Solve for x
   x = 87,769,304.83/11,618.00
6. Step 6: Final answer
   x = 7,554.60