Finding the Fourth Proportional to 301,978.50, 416,756.25 and 167,868.42

Step by Step Solution

1. Step 1: Write the proportion equation
   301,978.50 : 416,756.25 = 167,868.42 : x
2. Step 2: Convert to fraction form
   301,978.50/416,756.25 = 167,868.42/x
3. Step 3: Cross multiply
   301,978.50x = 416,756.25 × 167,868.42
4. Step 4: Simplify right side
   301,978.50x = 69,960,213,212.63
5. Step 5: Solve for x
   x = 69,960,213,212.63/301,978.50
6. Step 6: Final answer
   x = 231,672.83