Finding the Fourth Proportional to 3,606.84, 5,400.48 and 1,871.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.84 : 5,400.48 = 1,871.82 : x
2. Step 2: Convert to fraction form
   3,606.84/5,400.48 = 1,871.82/x
3. Step 3: Cross multiply
   3,606.84x = 5,400.48 × 1,871.82
4. Step 4: Simplify right side
   3,606.84x = 10,108,726.47
5. Step 5: Solve for x
   x = 10,108,726.47/3,606.84
6. Step 6: Final answer
   x = 2,802.65