Finding the Fourth Proportional to 111,723.30, 167,714.55 and 67,400.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,723.30 : 167,714.55 = 67,400.10 : x
2. Step 2: Convert to fraction form
   111,723.30/167,714.55 = 67,400.10/x
3. Step 3: Cross multiply
   111,723.30x = 167,714.55 × 67,400.10
4. Step 4: Simplify right side
   111,723.30x = 11,303,977,441.46
5. Step 5: Solve for x
   x = 11,303,977,441.46/111,723.30
6. Step 6: Final answer
   x = 101,178.33