Finding the Fourth Proportional to 111,459.96, 167,061.19 and 51,362.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,459.96 : 167,061.19 = 51,362.78 : x
2. Step 2: Convert to fraction form
   111,459.96/167,061.19 = 51,362.78/x
3. Step 3: Cross multiply
   111,459.96x = 167,061.19 × 51,362.78
4. Step 4: Simplify right side
   111,459.96x = 8,580,726,056.39
5. Step 5: Solve for x
   x = 8,580,726,056.39/111,459.96
6. Step 6: Final answer
   x = 76,984.83