Finding the Fourth Proportional to 111,974, 167,970.72 and 28,868

Step by Step Solution

1. Step 1: Write the proportion equation
   111,974 : 167,970.72 = 28,868 : x
2. Step 2: Convert to fraction form
   111,974/167,970.72 = 28,868/x
3. Step 3: Cross multiply
   111,974x = 167,970.72 × 28,868
4. Step 4: Simplify right side
   111,974x = 4,848,978,744.96
5. Step 5: Solve for x
   x = 4,848,978,744.96/111,974
6. Step 6: Final answer
   x = 43,304.51