Finding the Fourth Proportional to 2,053.12, 2,832.96 and 1,306.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.12 : 2,832.96 = 1,306.72 : x
2. Step 2: Convert to fraction form
   2,053.12/2,832.96 = 1,306.72/x
3. Step 3: Cross multiply
   2,053.12x = 2,832.96 × 1,306.72
4. Step 4: Simplify right side
   2,053.12x = 3,701,885.49
5. Step 5: Solve for x
   x = 3,701,885.49/2,053.12
6. Step 6: Final answer
   x = 1,803.05