Finding the Fourth Proportional to 23,685.12, 32,685.57 and 13,074.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.12 : 32,685.57 = 13,074.84 : x
2. Step 2: Convert to fraction form
   23,685.12/32,685.57 = 13,074.84/x
3. Step 3: Cross multiply
   23,685.12x = 32,685.57 × 13,074.84
4. Step 4: Simplify right side
   23,685.12x = 427,358,598.06
5. Step 5: Solve for x
   x = 427,358,598.06/23,685.12
6. Step 6: Final answer
   x = 18,043.34