Finding the Fourth Proportional to 5,383.61, 7,429.42 and 3,114.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,383.61 : 7,429.42 = 3,114.91 : x
2. Step 2: Convert to fraction form
   5,383.61/7,429.42 = 3,114.91/x
3. Step 3: Cross multiply
   5,383.61x = 7,429.42 × 3,114.91
4. Step 4: Simplify right side
   5,383.61x = 23,141,946.04
5. Step 5: Solve for x
   x = 23,141,946.04/5,383.61
6. Step 6: Final answer
   x = 4,298.59