Finding the Fourth Proportional to 23,389.91, 32,276.55 and 12,779.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389.91 : 32,276.55 = 12,779.54 : x
2. Step 2: Convert to fraction form
   23,389.91/32,276.55 = 12,779.54/x
3. Step 3: Cross multiply
   23,389.91x = 32,276.55 × 12,779.54
4. Step 4: Simplify right side
   23,389.91x = 412,479,300.40
5. Step 5: Solve for x
   x = 412,479,300.40/23,389.91
6. Step 6: Final answer
   x = 17,634.93