Finding the Fourth Proportional to 11,345.38, 17,012.22 and 5,100.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345.38 : 17,012.22 = 5,100.06 : x
2. Step 2: Convert to fraction form
   11,345.38/17,012.22 = 5,100.06/x
3. Step 3: Cross multiply
   11,345.38x = 17,012.22 × 5,100.06
4. Step 4: Simplify right side
   11,345.38x = 86,763,342.73
5. Step 5: Solve for x
   x = 86,763,342.73/11,345.38
6. Step 6: Final answer
   x = 7,647.46