Finding the Fourth Proportional to 11,575.78, 17,365.83 and 3,790.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,575.78 : 17,365.83 = 3,790.06 : x
2. Step 2: Convert to fraction form
   11,575.78/17,365.83 = 3,790.06/x
3. Step 3: Cross multiply
   11,575.78x = 17,365.83 × 3,790.06
4. Step 4: Simplify right side
   11,575.78x = 65,817,537.65
5. Step 5: Solve for x
   x = 65,817,537.65/11,575.78
6. Step 6: Final answer
   x = 5,685.80