Finding the Fourth Proportional to 3,466.35, 4,784.58 and 2,139.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466.35 : 4,784.58 = 2,139.57 : x
2. Step 2: Convert to fraction form
   3,466.35/4,784.58 = 2,139.57/x
3. Step 3: Cross multiply
   3,466.35x = 4,784.58 × 2,139.57
4. Step 4: Simplify right side
   3,466.35x = 10,236,943.83
5. Step 5: Solve for x
   x = 10,236,943.83/3,466.35
6. Step 6: Final answer
   x = 2,953.23