Finding the Fourth Proportional to 23,820.72, 35,736.24 and 7,179.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,820.72 : 35,736.24 = 7,179.36 : x
2. Step 2: Convert to fraction form
   23,820.72/35,736.24 = 7,179.36/x
3. Step 3: Cross multiply
   23,820.72x = 35,736.24 × 7,179.36
4. Step 4: Simplify right side
   23,820.72x = 256,563,332.01
5. Step 5: Solve for x
   x = 256,563,332.01/23,820.72
6. Step 6: Final answer
   x = 10,770.60