Finding the Fourth Proportional to 23,539.82, 32,485.46 and 12,930.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,539.82 : 32,485.46 = 12,930.03 : x
2. Step 2: Convert to fraction form
   23,539.82/32,485.46 = 12,930.03/x
3. Step 3: Cross multiply
   23,539.82x = 32,485.46 × 12,930.03
4. Step 4: Simplify right side
   23,539.82x = 420,037,907.71
5. Step 5: Solve for x
   x = 420,037,907.71/23,539.82
6. Step 6: Final answer
   x = 17,843.72