Finding the Fourth Proportional to 3,429.44, 5,111.16 and 3,400.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.44 : 5,111.16 = 3,400.84 : x
2. Step 2: Convert to fraction form
   3,429.44/5,111.16 = 3,400.84/x
3. Step 3: Cross multiply
   3,429.44x = 5,111.16 × 3,400.84
4. Step 4: Simplify right side
   3,429.44x = 17,382,237.37
5. Step 5: Solve for x
   x = 17,382,237.37/3,429.44
6. Step 6: Final answer
   x = 5,068.54