Finding the Fourth Proportional to 23,681.86, 32,680.97 and 13,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,681.86 : 32,680.97 = 13,071.50 : x
2. Step 2: Convert to fraction form
   23,681.86/32,680.97 = 13,071.50/x
3. Step 3: Cross multiply
   23,681.86x = 32,680.97 × 13,071.50
4. Step 4: Simplify right side
   23,681.86x = 427,189,119.61
5. Step 5: Solve for x
   x = 427,189,119.61/23,681.86
6. Step 6: Final answer
   x = 18,038.66