Finding the Fourth Proportional to 11,575.53, 17,365.46 and 3,789.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,575.53 : 17,365.46 = 3,789.81 : x
2. Step 2: Convert to fraction form
   11,575.53/17,365.46 = 3,789.81/x
3. Step 3: Cross multiply
   11,575.53x = 17,365.46 × 3,789.81
4. Step 4: Simplify right side
   11,575.53x = 65,811,775.01
5. Step 5: Solve for x
   x = 65,811,775.01/11,575.53
6. Step 6: Final answer
   x = 5,685.42