Finding the Fourth Proportional to 3,398.50, 5,071.48 and 3,030.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398.50 : 5,071.48 = 3,030.35 : x
2. Step 2: Convert to fraction form
   3,398.50/5,071.48 = 3,030.35/x
3. Step 3: Cross multiply
   3,398.50x = 5,071.48 × 3,030.35
4. Step 4: Simplify right side
   3,398.50x = 15,368,359.42
5. Step 5: Solve for x
   x = 15,368,359.42/3,398.50
6. Step 6: Final answer
   x = 4,522.11