Finding the Fourth Proportional to 3,655.82, 5,045.03 and 1,977.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.82 : 5,045.03 = 1,977.22 : x
2. Step 2: Convert to fraction form
   3,655.82/5,045.03 = 1,977.22/x
3. Step 3: Cross multiply
   3,655.82x = 5,045.03 × 1,977.22
4. Step 4: Simplify right side
   3,655.82x = 9,975,111.72
5. Step 5: Solve for x
   x = 9,975,111.72/3,655.82
6. Step 6: Final answer
   x = 2,728.55