Finding the Fourth Proportional to 15,866.72, 23,768.34 and 7,554.80

Step by Step Solution

1. Step 1: Write the proportion equation
   15,866.72 : 23,768.34 = 7,554.80 : x
2. Step 2: Convert to fraction form
   15,866.72/23,768.34 = 7,554.80/x
3. Step 3: Cross multiply
   15,866.72x = 23,768.34 × 7,554.80
4. Step 4: Simplify right side
   15,866.72x = 179,565,055.03
5. Step 5: Solve for x
   x = 179,565,055.03/15,866.72
6. Step 6: Final answer
   x = 11,317.09