Finding the Fourth Proportional to 23,680.62, 32,678.27 and 13,070.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680.62 : 32,678.27 = 13,070.10 : x
2. Step 2: Convert to fraction form
   23,680.62/32,678.27 = 13,070.10/x
3. Step 3: Cross multiply
   23,680.62x = 32,678.27 × 13,070.10
4. Step 4: Simplify right side
   23,680.62x = 427,108,256.73
5. Step 5: Solve for x
   x = 427,108,256.73/23,680.62
6. Step 6: Final answer
   x = 18,036.19