Finding the Fourth Proportional to 3,603.89, 4,973.37 and 1,947.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.89 : 4,973.37 = 1,947.89 : x
2. Step 2: Convert to fraction form
   3,603.89/4,973.37 = 1,947.89/x
3. Step 3: Cross multiply
   3,603.89x = 4,973.37 × 1,947.89
4. Step 4: Simplify right side
   3,603.89x = 9,687,552.82
5. Step 5: Solve for x
   x = 9,687,552.82/3,603.89
6. Step 6: Final answer
   x = 2,688.09