Finding the Fourth Proportional to 111,412.86, 167,118.93 and 28,306.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,412.86 : 167,118.93 = 28,306.86 : x
2. Step 2: Convert to fraction form
   111,412.86/167,118.93 = 28,306.86/x
3. Step 3: Cross multiply
   111,412.86x = 167,118.93 × 28,306.86
4. Step 4: Simplify right side
   111,412.86x = 4,730,612,154.86
5. Step 5: Solve for x
   x = 4,730,612,154.86/111,412.86
6. Step 6: Final answer
   x = 42,460.20