Finding the Fourth Proportional to 23,680.68, 32,678.37 and 13,070.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680.68 : 32,678.37 = 13,070.17 : x
2. Step 2: Convert to fraction form
   23,680.68/32,678.37 = 13,070.17/x
3. Step 3: Cross multiply
   23,680.68x = 32,678.37 × 13,070.17
4. Step 4: Simplify right side
   23,680.68x = 427,111,851.22
5. Step 5: Solve for x
   x = 427,111,851.22/23,680.68
6. Step 6: Final answer
   x = 18,036.30