Finding the Fourth Proportional to 3,345.21, 5,015.35 and 2,047.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,345.21 : 5,015.35 = 2,047.59 : x
2. Step 2: Convert to fraction form
   3,345.21/5,015.35 = 2,047.59/x
3. Step 3: Cross multiply
   3,345.21x = 5,015.35 × 2,047.59
4. Step 4: Simplify right side
   3,345.21x = 10,269,380.51
5. Step 5: Solve for x
   x = 10,269,380.51/3,345.21
6. Step 6: Final answer
   x = 3,069.88