Finding the Fourth Proportional to 23,813.42, 32,860.71 and 13,056.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,813.42 : 32,860.71 = 13,056.57 : x
2. Step 2: Convert to fraction form
   23,813.42/32,860.71 = 13,056.57/x
3. Step 3: Cross multiply
   23,813.42x = 32,860.71 × 13,056.57
4. Step 4: Simplify right side
   23,813.42x = 429,048,160.36
5. Step 5: Solve for x
   x = 429,048,160.36/23,813.42
6. Step 6: Final answer
   x = 18,017.08