Finding the Fourth Proportional to 23,826.15, 35,739.50 and 7,186.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,826.15 : 35,739.50 = 7,186.46 : x
2. Step 2: Convert to fraction form
   23,826.15/35,739.50 = 7,186.46/x
3. Step 3: Cross multiply
   23,826.15x = 35,739.50 × 7,186.46
4. Step 4: Simplify right side
   23,826.15x = 256,840,272.54
5. Step 5: Solve for x
   x = 256,840,272.54/23,826.15
6. Step 6: Final answer
   x = 10,779.76