Finding the Fourth Proportional to 23,730.90, 32,747.61 and 12,975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,730.90 : 32,747.61 = 12,975.50 : x
2. Step 2: Convert to fraction form
   23,730.90/32,747.61 = 12,975.50/x
3. Step 3: Cross multiply
   23,730.90x = 32,747.61 × 12,975.50
4. Step 4: Simplify right side
   23,730.90x = 424,916,449.82
5. Step 5: Solve for x
   x = 424,916,449.82/23,730.90
6. Step 6: Final answer
   x = 17,905.62