Finding the Fourth Proportional to 23,535.09, 32,478.30 and 12,779.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,535.09 : 32,478.30 = 12,779.73 : x
2. Step 2: Convert to fraction form
   23,535.09/32,478.30 = 12,779.73/x
3. Step 3: Cross multiply
   23,535.09x = 32,478.30 × 12,779.73
4. Step 4: Simplify right side
   23,535.09x = 415,063,904.86
5. Step 5: Solve for x
   x = 415,063,904.86/23,535.09
6. Step 6: Final answer
   x = 17,635.96