Finding the Fourth Proportional to 5,803.24, 8,704.89 and 1,420.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,803.24 : 8,704.89 = 1,420.72 : x
2. Step 2: Convert to fraction form
   5,803.24/8,704.89 = 1,420.72/x
3. Step 3: Cross multiply
   5,803.24x = 8,704.89 × 1,420.72
4. Step 4: Simplify right side
   5,803.24x = 12,367,211.32
5. Step 5: Solve for x
   x = 12,367,211.32/5,803.24
6. Step 6: Final answer
   x = 2,131.09