Finding the Fourth Proportional to 3,606.42, 4,977.03 and 2,191.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.42 : 4,977.03 = 2,191.08 : x
2. Step 2: Convert to fraction form
   3,606.42/4,977.03 = 2,191.08/x
3. Step 3: Cross multiply
   3,606.42x = 4,977.03 × 2,191.08
4. Step 4: Simplify right side
   3,606.42x = 10,905,070.89
5. Step 5: Solve for x
   x = 10,905,070.89/3,606.42
6. Step 6: Final answer
   x = 3,023.79