Finding the Fourth Proportional to 3,577.95, 5,367.58 and 1,112.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.95 : 5,367.58 = 1,112.61 : x
2. Step 2: Convert to fraction form
   3,577.95/5,367.58 = 1,112.61/x
3. Step 3: Cross multiply
   3,577.95x = 5,367.58 × 1,112.61
4. Step 4: Simplify right side
   3,577.95x = 5,971,993.56
5. Step 5: Solve for x
   x = 5,971,993.56/3,577.95
6. Step 6: Final answer
   x = 1,669.11