Finding the Fourth Proportional to 23,388.87, 32,277.42 and 12,779.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.87 : 32,277.42 = 12,779.19 : x
2. Step 2: Convert to fraction form
   23,388.87/32,277.42 = 12,779.19/x
3. Step 3: Cross multiply
   23,388.87x = 32,277.42 × 12,779.19
4. Step 4: Simplify right side
   23,388.87x = 412,479,282.89
5. Step 5: Solve for x
   x = 412,479,282.89/23,388.87
6. Step 6: Final answer
   x = 17,635.71