Finding the Fourth Proportional to 2,846.22, 3,927.48 and 2,100.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.22 : 3,927.48 = 2,100.58 : x
2. Step 2: Convert to fraction form
   2,846.22/3,927.48 = 2,100.58/x
3. Step 3: Cross multiply
   2,846.22x = 3,927.48 × 2,100.58
4. Step 4: Simplify right side
   2,846.22x = 8,249,985.94
5. Step 5: Solve for x
   x = 8,249,985.94/2,846.22
6. Step 6: Final answer
   x = 2,898.58