Finding the Fourth Proportional to 23,684.60, 32,684.31 and 13,074.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,684.60 : 32,684.31 = 13,074.01 : x
2. Step 2: Convert to fraction form
   23,684.60/32,684.31 = 13,074.01/x
3. Step 3: Cross multiply
   23,684.60x = 32,684.31 × 13,074.01
4. Step 4: Simplify right side
   23,684.60x = 427,314,914.07
5. Step 5: Solve for x
   x = 427,314,914.07/23,684.60
6. Step 6: Final answer
   x = 18,041.89