Finding the Fourth Proportional to 43,167.42, 64,757.52 and 13,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,167.42 : 64,757.52 = 13,575.42 : x
2. Step 2: Convert to fraction form
   43,167.42/64,757.52 = 13,575.42/x
3. Step 3: Cross multiply
   43,167.42x = 64,757.52 × 13,575.42
4. Step 4: Simplify right side
   43,167.42x = 879,110,532.16
5. Step 5: Solve for x
   x = 879,110,532.16/43,167.42
6. Step 6: Final answer
   x = 20,365.14