Finding the Fourth Proportional to 3,577.52, 5,365.67 and 945.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.52 : 5,365.67 = 945.05 : x
2. Step 2: Convert to fraction form
   3,577.52/5,365.67 = 945.05/x
3. Step 3: Cross multiply
   3,577.52x = 5,365.67 × 945.05
4. Step 4: Simplify right side
   3,577.52x = 5,070,827.72
5. Step 5: Solve for x
   x = 5,070,827.72/3,577.52
6. Step 6: Final answer
   x = 1,417.42