Finding the Fourth Proportional to 2,072.96, 2,861.10 and 1,363.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.96 : 2,861.10 = 1,363.56 : x
2. Step 2: Convert to fraction form
   2,072.96/2,861.10 = 1,363.56/x
3. Step 3: Cross multiply
   2,072.96x = 2,861.10 × 1,363.56
4. Step 4: Simplify right side
   2,072.96x = 3,901,281.52
5. Step 5: Solve for x
   x = 3,901,281.52/2,072.96
6. Step 6: Final answer
   x = 1,881.99