Finding the Fourth Proportional to 1,364.48, 1,884.16 and 1,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.48 : 1,884.16 = 1,016.72 : x
2. Step 2: Convert to fraction form
   1,364.48/1,884.16 = 1,016.72/x
3. Step 3: Cross multiply
   1,364.48x = 1,884.16 × 1,016.72
4. Step 4: Simplify right side
   1,364.48x = 1,915,663.16
5. Step 5: Solve for x
   x = 1,915,663.16/1,364.48
6. Step 6: Final answer
   x = 1,403.95