Finding the Fourth Proportional to 3,420.16, 5,123.74 and 2,030.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420.16 : 5,123.74 = 2,030.56 : x
2. Step 2: Convert to fraction form
   3,420.16/5,123.74 = 2,030.56/x
3. Step 3: Cross multiply
   3,420.16x = 5,123.74 × 2,030.56
4. Step 4: Simplify right side
   3,420.16x = 10,404,061.49
5. Step 5: Solve for x
   x = 10,404,061.49/3,420.16
6. Step 6: Final answer
   x = 3,041.98