Finding the Fourth Proportional to 2,114.50, 2,918.01 and 1,230.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.50 : 2,918.01 = 1,230.25 : x
2. Step 2: Convert to fraction form
   2,114.50/2,918.01 = 1,230.25/x
3. Step 3: Cross multiply
   2,114.50x = 2,918.01 × 1,230.25
4. Step 4: Simplify right side
   2,114.50x = 3,589,881.80
5. Step 5: Solve for x
   x = 3,589,881.80/2,114.50
6. Step 6: Final answer
   x = 1,697.75