Finding the Fourth Proportional to 43,168.42, 64,759.02 and 13,576.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,168.42 : 64,759.02 = 13,576.42 : x
2. Step 2: Convert to fraction form
   43,168.42/64,759.02 = 13,576.42/x
3. Step 3: Cross multiply
   43,168.42x = 64,759.02 × 13,576.42
4. Step 4: Simplify right side
   43,168.42x = 879,195,654.31
5. Step 5: Solve for x
   x = 879,195,654.31/43,168.42
6. Step 6: Final answer
   x = 20,366.64