Finding the Fourth Proportional to 3,573.86, 5,363.40 and 3,546.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.86 : 5,363.40 = 3,546.71 : x
2. Step 2: Convert to fraction form
   3,573.86/5,363.40 = 3,546.71/x
3. Step 3: Cross multiply
   3,573.86x = 5,363.40 × 3,546.71
4. Step 4: Simplify right side
   3,573.86x = 19,022,424.41
5. Step 5: Solve for x
   x = 19,022,424.41/3,573.86
6. Step 6: Final answer
   x = 5,322.66