Finding the Fourth Proportional to 3,577.32, 5,364.25 and 1,112.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,577.32 : 5,364.25 = 1,112.15 : x
2. Step 2: Convert to fraction form
   3,577.32/5,364.25 = 1,112.15/x
3. Step 3: Cross multiply
   3,577.32x = 5,364.25 × 1,112.15
4. Step 4: Simplify right side
   3,577.32x = 5,965,861.27
5. Step 5: Solve for x
   x = 5,965,861.27/3,577.32
6. Step 6: Final answer
   x = 1,667.69