Finding the Fourth Proportional to 2,102.00, 2,900.84 and 1,218.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.00 : 2,900.84 = 1,218.08 : x
2. Step 2: Convert to fraction form
   2,102.00/2,900.84 = 1,218.08/x
3. Step 3: Cross multiply
   2,102.00x = 2,900.84 × 1,218.08
4. Step 4: Simplify right side
   2,102.00x = 3,533,456.35
5. Step 5: Solve for x
   x = 3,533,456.35/2,102.00
6. Step 6: Final answer
   x = 1,681.00