Finding the Fourth Proportional to 2,881.50, 3,975.37 and 1,818.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.50 : 3,975.37 = 1,818.96 : x
2. Step 2: Convert to fraction form
   2,881.50/3,975.37 = 1,818.96/x
3. Step 3: Cross multiply
   2,881.50x = 3,975.37 × 1,818.96
4. Step 4: Simplify right side
   2,881.50x = 7,231,039.02
5. Step 5: Solve for x
   x = 7,231,039.02/2,881.50
6. Step 6: Final answer
   x = 2,509.47