Finding the Fourth Proportional to 111,719.30, 167,433.15 and 51,740.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,719.30 : 167,433.15 = 51,740.83 : x
2. Step 2: Convert to fraction form
   111,719.30/167,433.15 = 51,740.83/x
3. Step 3: Cross multiply
   111,719.30x = 167,433.15 × 51,740.83
4. Step 4: Simplify right side
   111,719.30x = 8,663,129,313.35
5. Step 5: Solve for x
   x = 8,663,129,313.35/111,719.30
6. Step 6: Final answer
   x = 77,543.71