Finding the Fourth Proportional to 111,445.56, 167,169.42 and 28,339.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,445.56 : 167,169.42 = 28,339.56 : x
2. Step 2: Convert to fraction form
   111,445.56/167,169.42 = 28,339.56/x
3. Step 3: Cross multiply
   111,445.56x = 167,169.42 × 28,339.56
4. Step 4: Simplify right side
   111,445.56x = 4,737,507,808.26
5. Step 5: Solve for x
   x = 4,737,507,808.26/111,445.56
6. Step 6: Final answer
   x = 42,509.61