Finding the Fourth Proportional to 5,429.70, 7,492.71 and 3,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.70 : 7,492.71 = 3,658.50 : x
2. Step 2: Convert to fraction form
   5,429.70/7,492.71 = 3,658.50/x
3. Step 3: Cross multiply
   5,429.70x = 7,492.71 × 3,658.50
4. Step 4: Simplify right side
   5,429.70x = 27,412,079.54
5. Step 5: Solve for x
   x = 27,412,079.54/5,429.70
6. Step 6: Final answer
   x = 5,048.54