Finding the Fourth Proportional to 23,685.31, 32,685.99 and 13,074.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.31 : 32,685.99 = 13,074.96 : x
2. Step 2: Convert to fraction form
   23,685.31/32,685.99 = 13,074.96/x
3. Step 3: Cross multiply
   23,685.31x = 32,685.99 × 13,074.96
4. Step 4: Simplify right side
   23,685.31x = 427,367,848.38
5. Step 5: Solve for x
   x = 427,367,848.38/23,685.31
6. Step 6: Final answer
   x = 18,043.58