Finding the Fourth Proportional to 23,078.48, 34,619.40 and 8,287.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.48 : 34,619.40 = 8,287.52 : x
2. Step 2: Convert to fraction form
   23,078.48/34,619.40 = 8,287.52/x
3. Step 3: Cross multiply
   23,078.48x = 34,619.40 × 8,287.52
4. Step 4: Simplify right side
   23,078.48x = 286,908,969.89
5. Step 5: Solve for x
   x = 286,908,969.89/23,078.48
6. Step 6: Final answer
   x = 12,431.88