Finding the Fourth Proportional to 523,384.56, 784,578.15 and 168,149.25

Step by Step Solution

1. Step 1: Write the proportion equation
   523,384.56 : 784,578.15 = 168,149.25 : x
2. Step 2: Convert to fraction form
   523,384.56/784,578.15 = 168,149.25/x
3. Step 3: Cross multiply
   523,384.56x = 784,578.15 × 168,149.25
4. Step 4: Simplify right side
   523,384.56x = 131,926,227,488.89
5. Step 5: Solve for x
   x = 131,926,227,488.89/523,384.56
6. Step 6: Final answer
   x = 252,063.66