Finding the Fourth Proportional to 2,881.42, 4,322.82 and 1,237.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.42 : 4,322.82 = 1,237.98 : x
2. Step 2: Convert to fraction form
   2,881.42/4,322.82 = 1,237.98/x
3. Step 3: Cross multiply
   2,881.42x = 4,322.82 × 1,237.98
4. Step 4: Simplify right side
   2,881.42x = 5,351,578.59
5. Step 5: Solve for x
   x = 5,351,578.59/2,881.42
6. Step 6: Final answer
   x = 1,857.27