Finding the Fourth Proportional to 23,538.60, 32,483.49 and 12,928.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,538.60 : 32,483.49 = 12,928.46 : x
2. Step 2: Convert to fraction form
   23,538.60/32,483.49 = 12,928.46/x
3. Step 3: Cross multiply
   23,538.60x = 32,483.49 × 12,928.46
4. Step 4: Simplify right side
   23,538.60x = 419,961,274.07
5. Step 5: Solve for x
   x = 419,961,274.07/23,538.60
6. Step 6: Final answer
   x = 17,841.39