Finding the Fourth Proportional to 23,539.86, 32,485.59 and 12,930.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,539.86 : 32,485.59 = 12,930.48 : x
2. Step 2: Convert to fraction form
   23,539.86/32,485.59 = 12,930.48/x
3. Step 3: Cross multiply
   23,539.86x = 32,485.59 × 12,930.48
4. Step 4: Simplify right side
   23,539.86x = 420,054,271.78
5. Step 5: Solve for x
   x = 420,054,271.78/23,539.86
6. Step 6: Final answer
   x = 17,844.38