Finding the Fourth Proportional to 1,894.98, 2,824.41 and 1,858.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.98 : 2,824.41 = 1,858.53 : x
2. Step 2: Convert to fraction form
   1,894.98/2,824.41 = 1,858.53/x
3. Step 3: Cross multiply
   1,894.98x = 2,824.41 × 1,858.53
4. Step 4: Simplify right side
   1,894.98x = 5,249,250.72
5. Step 5: Solve for x
   x = 5,249,250.72/1,894.98
6. Step 6: Final answer
   x = 2,770.08