Finding the Fourth Proportional to 2,100.06, 2,898.72 and 1,216.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.06 : 2,898.72 = 1,216.08 : x
2. Step 2: Convert to fraction form
   2,100.06/2,898.72 = 1,216.08/x
3. Step 3: Cross multiply
   2,100.06x = 2,898.72 × 1,216.08
4. Step 4: Simplify right side
   2,100.06x = 3,525,075.42
5. Step 5: Solve for x
   x = 3,525,075.42/2,100.06
6. Step 6: Final answer
   x = 1,678.56