Finding the Fourth Proportional to 3,709.07, 5,118.46 and 2,030.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.07 : 5,118.46 = 2,030.45 : x
2. Step 2: Convert to fraction form
   3,709.07/5,118.46 = 2,030.45/x
3. Step 3: Cross multiply
   3,709.07x = 5,118.46 × 2,030.45
4. Step 4: Simplify right side
   3,709.07x = 10,392,777.11
5. Step 5: Solve for x
   x = 10,392,777.11/3,709.07
6. Step 6: Final answer
   x = 2,801.99