Finding the Fourth Proportional to 1,970.00, 2,718.31 and 1,214.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.00 : 2,718.31 = 1,214.16 : x
2. Step 2: Convert to fraction form
   1,970.00/2,718.31 = 1,214.16/x
3. Step 3: Cross multiply
   1,970.00x = 2,718.31 × 1,214.16
4. Step 4: Simplify right side
   1,970.00x = 3,300,475.25
5. Step 5: Solve for x
   x = 3,300,475.25/1,970.00
6. Step 6: Final answer
   x = 1,675.37