Finding the Fourth Proportional to 23,610.51, 35,420.18 and 7,815.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,610.51 : 35,420.18 = 7,815.69 : x
2. Step 2: Convert to fraction form
   23,610.51/35,420.18 = 7,815.69/x
3. Step 3: Cross multiply
   23,610.51x = 35,420.18 × 7,815.69
4. Step 4: Simplify right side
   23,610.51x = 276,833,107.55
5. Step 5: Solve for x
   x = 276,833,107.55/23,610.51
6. Step 6: Final answer
   x = 11,724.99