Finding the Fourth Proportional to 3,623.23, 5,435.78 and 1,867.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.23 : 5,435.78 = 1,867.69 : x
2. Step 2: Convert to fraction form
   3,623.23/5,435.78 = 1,867.69/x
3. Step 3: Cross multiply
   3,623.23x = 5,435.78 × 1,867.69
4. Step 4: Simplify right side
   3,623.23x = 10,152,349.40
5. Step 5: Solve for x
   x = 10,152,349.40/3,623.23
6. Step 6: Final answer
   x = 2,802.02