Finding the Fourth Proportional to 3,603.88, 4,973.38 and 2,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.88 : 4,973.38 = 2,111.82 : x
2. Step 2: Convert to fraction form
   3,603.88/4,973.38 = 2,111.82/x
3. Step 3: Cross multiply
   3,603.88x = 4,973.38 × 2,111.82
4. Step 4: Simplify right side
   3,603.88x = 10,502,883.35
5. Step 5: Solve for x
   x = 10,502,883.35/3,603.88
6. Step 6: Final answer
   x = 2,914.33