Finding the Fourth Proportional to 3,545.02, 5,320.71 and 1,982.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545.02 : 5,320.71 = 1,982.74 : x
2. Step 2: Convert to fraction form
   3,545.02/5,320.71 = 1,982.74/x
3. Step 3: Cross multiply
   3,545.02x = 5,320.71 × 1,982.74
4. Step 4: Simplify right side
   3,545.02x = 10,549,584.55
5. Step 5: Solve for x
   x = 10,549,584.55/3,545.02
6. Step 6: Final answer
   x = 2,975.89