Finding the Fourth Proportional to 3,342.03, 5,007.57 and 2,171.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342.03 : 5,007.57 = 2,171.98 : x
2. Step 2: Convert to fraction form
   3,342.03/5,007.57 = 2,171.98/x
3. Step 3: Cross multiply
   3,342.03x = 5,007.57 × 2,171.98
4. Step 4: Simplify right side
   3,342.03x = 10,876,341.89
5. Step 5: Solve for x
   x = 10,876,341.89/3,342.03
6. Step 6: Final answer
   x = 3,254.41