Finding the Fourth Proportional to 3,623.16, 5,435.52 and 1,314.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.16 : 5,435.52 = 1,314.68 : x
2. Step 2: Convert to fraction form
   3,623.16/5,435.52 = 1,314.68/x
3. Step 3: Cross multiply
   3,623.16x = 5,435.52 × 1,314.68
4. Step 4: Simplify right side
   3,623.16x = 7,145,969.43
5. Step 5: Solve for x
   x = 7,145,969.43/3,623.16
6. Step 6: Final answer
   x = 1,972.30