Finding the Fourth Proportional to 52,408.72, 72,312.78 and 31,183.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,408.72 : 72,312.78 = 31,183.84 : x
2. Step 2: Convert to fraction form
   52,408.72/72,312.78 = 31,183.84/x
3. Step 3: Cross multiply
   52,408.72x = 72,312.78 × 31,183.84
4. Step 4: Simplify right side
   52,408.72x = 2,254,990,161.48
5. Step 5: Solve for x
   x = 2,254,990,161.48/52,408.72
6. Step 6: Final answer
   x = 43,027.00