Finding the Fourth Proportional to 3,623.02, 5,435.55 and 1,868.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.02 : 5,435.55 = 1,868.67 : x
2. Step 2: Convert to fraction form
   3,623.02/5,435.55 = 1,868.67/x
3. Step 3: Cross multiply
   3,623.02x = 5,435.55 × 1,868.67
4. Step 4: Simplify right side
   3,623.02x = 10,157,249.22
5. Step 5: Solve for x
   x = 10,157,249.22/3,623.02
6. Step 6: Final answer
   x = 2,803.53