Finding the Fourth Proportional to 3,876.84, 5,804.73 and 3,624.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,876.84 : 5,804.73 = 3,624.12 : x
2. Step 2: Convert to fraction form
   3,876.84/5,804.73 = 3,624.12/x
3. Step 3: Cross multiply
   3,876.84x = 5,804.73 × 3,624.12
4. Step 4: Simplify right side
   3,876.84x = 21,037,038.09
5. Step 5: Solve for x
   x = 21,037,038.09/3,876.84
6. Step 6: Final answer
   x = 5,426.34