Finding the Fourth Proportional to 3,779.06, 5,214.82 and 2,100.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.06 : 5,214.82 = 2,100.38 : x
2. Step 2: Convert to fraction form
   3,779.06/5,214.82 = 2,100.38/x
3. Step 3: Cross multiply
   3,779.06x = 5,214.82 × 2,100.38
4. Step 4: Simplify right side
   3,779.06x = 10,953,103.63
5. Step 5: Solve for x
   x = 10,953,103.63/3,779.06
6. Step 6: Final answer
   x = 2,898.37