Finding the Fourth Proportional to 111,449.56, 167,175.42 and 28,343.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,449.56 : 167,175.42 = 28,343.56 : x
2. Step 2: Convert to fraction form
   111,449.56/167,175.42 = 28,343.56/x
3. Step 3: Cross multiply
   111,449.56x = 167,175.42 × 28,343.56
4. Step 4: Simplify right side
   111,449.56x = 4,738,346,547.30
5. Step 5: Solve for x
   x = 4,738,346,547.30/111,449.56
6. Step 6: Final answer
   x = 42,515.61