Finding the Fourth Proportional to 3,631.30, 5,444.28 and 1,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.30 : 5,444.28 = 1,164.72 : x
2. Step 2: Convert to fraction form
   3,631.30/5,444.28 = 1,164.72/x
3. Step 3: Cross multiply
   3,631.30x = 5,444.28 × 1,164.72
4. Step 4: Simplify right side
   3,631.30x = 6,341,061.80
5. Step 5: Solve for x
   x = 6,341,061.80/3,631.30
6. Step 6: Final answer
   x = 1,746.22