Finding the Fourth Proportional to 3,962.30, 5,458.79 and 3,298.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.30 : 5,458.79 = 3,298.01 : x
2. Step 2: Convert to fraction form
   3,962.30/5,458.79 = 3,298.01/x
3. Step 3: Cross multiply
   3,962.30x = 5,458.79 × 3,298.01
4. Step 4: Simplify right side
   3,962.30x = 18,003,100.22
5. Step 5: Solve for x
   x = 18,003,100.22/3,962.30
6. Step 6: Final answer
   x = 4,543.60