Finding the Fourth Proportional to 23,578.52, 35,372.15 and 7,784.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,578.52 : 35,372.15 = 7,784.65 : x
2. Step 2: Convert to fraction form
   23,578.52/35,372.15 = 7,784.65/x
3. Step 3: Cross multiply
   23,578.52x = 35,372.15 × 7,784.65
4. Step 4: Simplify right side
   23,578.52x = 275,359,807.50
5. Step 5: Solve for x
   x = 275,359,807.50/23,578.52
6. Step 6: Final answer
   x = 11,678.42