Finding the Fourth Proportional to 184,578.06, 276,890.16 and 72,243.78

Step by Step Solution

1. Step 1: Write the proportion equation
   184,578.06 : 276,890.16 = 72,243.78 : x
2. Step 2: Convert to fraction form
   184,578.06/276,890.16 = 72,243.78/x
3. Step 3: Cross multiply
   184,578.06x = 276,890.16 × 72,243.78
4. Step 4: Simplify right side
   184,578.06x = 20,003,591,803.20
5. Step 5: Solve for x
   x = 20,003,591,803.20/184,578.06
6. Step 6: Final answer
   x = 108,374.70