Finding the Fourth Proportional to 111,576.42, 167,364.54 and 28,470.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,576.42 : 167,364.54 = 28,470.42 : x
2. Step 2: Convert to fraction form
   111,576.42/167,364.54 = 28,470.42/x
3. Step 3: Cross multiply
   111,576.42x = 167,364.54 × 28,470.42
4. Step 4: Simplify right side
   111,576.42x = 4,764,938,746.91
5. Step 5: Solve for x
   x = 4,764,938,746.91/111,576.42
6. Step 6: Final answer
   x = 42,705.61