Finding the Fourth Proportional to 111,309.42, 167,018.92 and 52,134.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,309.42 : 167,018.92 = 52,134.86 : x
2. Step 2: Convert to fraction form
   111,309.42/167,018.92 = 52,134.86/x
3. Step 3: Cross multiply
   111,309.42x = 167,018.92 × 52,134.86
4. Step 4: Simplify right side
   111,309.42x = 8,707,508,011.55
5. Step 5: Solve for x
   x = 8,707,508,011.55/111,309.42
6. Step 6: Final answer
   x = 78,227.95