Finding the Fourth Proportional to 2,858.00, 4,294.17 and 1,818.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,858.00 : 4,294.17 = 1,818.45 : x
2. Step 2: Convert to fraction form
   2,858.00/4,294.17 = 1,818.45/x
3. Step 3: Cross multiply
   2,858.00x = 4,294.17 × 1,818.45
4. Step 4: Simplify right side
   2,858.00x = 7,808,733.44
5. Step 5: Solve for x
   x = 7,808,733.44/2,858.00
6. Step 6: Final answer
   x = 2,732.24