Finding the Fourth Proportional to 111,580.42, 167,370.54 and 28,474.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,580.42 : 167,370.54 = 28,474.42 : x
2. Step 2: Convert to fraction form
   111,580.42/167,370.54 = 28,474.42/x
3. Step 3: Cross multiply
   111,580.42x = 167,370.54 × 28,474.42
4. Step 4: Simplify right side
   111,580.42x = 4,765,779,051.59
5. Step 5: Solve for x
   x = 4,765,779,051.59/111,580.42
6. Step 6: Final answer
   x = 42,711.61