Finding the Fourth Proportional to 23,389.52, 32,277.96 and 12,779.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389.52 : 32,277.96 = 12,779.60 : x
2. Step 2: Convert to fraction form
   23,389.52/32,277.96 = 12,779.60/x
3. Step 3: Cross multiply
   23,389.52x = 32,277.96 × 12,779.60
4. Step 4: Simplify right side
   23,389.52x = 412,499,417.62
5. Step 5: Solve for x
   x = 412,499,417.62/23,389.52
6. Step 6: Final answer
   x = 17,636.08