Finding the Fourth Proportional to 2,072.72, 2,861.12 and 1,412.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.72 : 2,861.12 = 1,412.98 : x
2. Step 2: Convert to fraction form
   2,072.72/2,861.12 = 1,412.98/x
3. Step 3: Cross multiply
   2,072.72x = 2,861.12 × 1,412.98
4. Step 4: Simplify right side
   2,072.72x = 4,042,701.72
5. Step 5: Solve for x
   x = 4,042,701.72/2,072.72
6. Step 6: Final answer
   x = 1,950.43