Finding the Fourth Proportional to 1,468.82, 2,188.29 and 1,399.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.82 : 2,188.29 = 1,399.16 : x
2. Step 2: Convert to fraction form
   1,468.82/2,188.29 = 1,399.16/x
3. Step 3: Cross multiply
   1,468.82x = 2,188.29 × 1,399.16
4. Step 4: Simplify right side
   1,468.82x = 3,061,756.89
5. Step 5: Solve for x
   x = 3,061,756.89/1,468.82
6. Step 6: Final answer
   x = 2,084.51