Finding the Fourth Proportional to 23,680.72, 32,675.88 and 13,070.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680.72 : 32,675.88 = 13,070.80 : x
2. Step 2: Convert to fraction form
   23,680.72/32,675.88 = 13,070.80/x
3. Step 3: Cross multiply
   23,680.72x = 32,675.88 × 13,070.80
4. Step 4: Simplify right side
   23,680.72x = 427,099,892.30
5. Step 5: Solve for x
   x = 427,099,892.30/23,680.72
6. Step 6: Final answer
   x = 18,035.76