Finding the Fourth Proportional to 3,342.09, 5,012.72 and 1,002.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342.09 : 5,012.72 = 1,002.11 : x
2. Step 2: Convert to fraction form
   3,342.09/5,012.72 = 1,002.11/x
3. Step 3: Cross multiply
   3,342.09x = 5,012.72 × 1,002.11
4. Step 4: Simplify right side
   3,342.09x = 5,023,270.52
5. Step 5: Solve for x
   x = 5,023,270.52/3,342.09
6. Step 6: Final answer
   x = 1,503.03