Finding the Fourth Proportional to 3,577.72, 5,368.12 and 1,935.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.72 : 5,368.12 = 1,935.42 : x
2. Step 2: Convert to fraction form
   3,577.72/5,368.12 = 1,935.42/x
3. Step 3: Cross multiply
   3,577.72x = 5,368.12 × 1,935.42
4. Step 4: Simplify right side
   3,577.72x = 10,389,569.23
5. Step 5: Solve for x
   x = 10,389,569.23/3,577.72
6. Step 6: Final answer
   x = 2,903.97