Finding the Fourth Proportional to 3,462.89, 4,779.16 and 2,136.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,462.89 : 4,779.16 = 2,136.56 : x
2. Step 2: Convert to fraction form
   3,462.89/4,779.16 = 2,136.56/x
3. Step 3: Cross multiply
   3,462.89x = 4,779.16 × 2,136.56
4. Step 4: Simplify right side
   3,462.89x = 10,210,932.85
5. Step 5: Solve for x
   x = 10,210,932.85/3,462.89
6. Step 6: Final answer
   x = 2,948.68