Finding the Fourth Proportional to 3,607.47, 4,978.27 and 2,035.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.47 : 4,978.27 = 2,035.57 : x
2. Step 2: Convert to fraction form
   3,607.47/4,978.27 = 2,035.57/x
3. Step 3: Cross multiply
   3,607.47x = 4,978.27 × 2,035.57
4. Step 4: Simplify right side
   3,607.47x = 10,133,617.06
5. Step 5: Solve for x
   x = 10,133,617.06/3,607.47
6. Step 6: Final answer
   x = 2,809.06