Finding the Fourth Proportional to 23,580.86, 35,375.91 and 7,785.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.86 : 35,375.91 = 7,785.25 : x
2. Step 2: Convert to fraction form
   23,580.86/35,375.91 = 7,785.25/x
3. Step 3: Cross multiply
   23,580.86x = 35,375.91 × 7,785.25
4. Step 4: Simplify right side
   23,580.86x = 275,410,185.69
5. Step 5: Solve for x
   x = 275,410,185.69/23,580.86
6. Step 6: Final answer
   x = 11,679.40