Finding the Fourth Proportional to 3,679.02, 5,075.91 and 2,106.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.02 : 5,075.91 = 2,106.54 : x
2. Step 2: Convert to fraction form
   3,679.02/5,075.91 = 2,106.54/x
3. Step 3: Cross multiply
   3,679.02x = 5,075.91 × 2,106.54
4. Step 4: Simplify right side
   3,679.02x = 10,692,607.45
5. Step 5: Solve for x
   x = 10,692,607.45/3,679.02
6. Step 6: Final answer
   x = 2,906.37