Finding the Fourth Proportional to 111,778.42, 167,688.33 and 36,903.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,778.42 : 167,688.33 = 36,903.78 : x
2. Step 2: Convert to fraction form
   111,778.42/167,688.33 = 36,903.78/x
3. Step 3: Cross multiply
   111,778.42x = 167,688.33 × 36,903.78
4. Step 4: Simplify right side
   111,778.42x = 6,188,333,238.89
5. Step 5: Solve for x
   x = 6,188,333,238.89/111,778.42
6. Step 6: Final answer
   x = 55,362.50