Finding the Fourth Proportional to 2,177.12, 3,262.72 and 943.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.12 : 3,262.72 = 943.04 : x
2. Step 2: Convert to fraction form
   2,177.12/3,262.72 = 943.04/x
3. Step 3: Cross multiply
   2,177.12x = 3,262.72 × 943.04
4. Step 4: Simplify right side
   2,177.12x = 3,076,875.47
5. Step 5: Solve for x
   x = 3,076,875.47/2,177.12
6. Step 6: Final answer
   x = 1,413.28