Finding the Fourth Proportional to 2,370.86, 3,271.89 and 1,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.86 : 3,271.89 = 1,322.72 : x
2. Step 2: Convert to fraction form
   2,370.86/3,271.89 = 1,322.72/x
3. Step 3: Cross multiply
   2,370.86x = 3,271.89 × 1,322.72
4. Step 4: Simplify right side
   2,370.86x = 4,327,777.98
5. Step 5: Solve for x
   x = 4,327,777.98/2,370.86
6. Step 6: Final answer
   x = 1,825.41