Finding the Fourth Proportional to 2,176.47, 3,003.82 and 1,337.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.47 : 3,003.82 = 1,337.21 : x
2. Step 2: Convert to fraction form
   2,176.47/3,003.82 = 1,337.21/x
3. Step 3: Cross multiply
   2,176.47x = 3,003.82 × 1,337.21
4. Step 4: Simplify right side
   2,176.47x = 4,016,731.04
5. Step 5: Solve for x
   x = 4,016,731.04/2,176.47
6. Step 6: Final answer
   x = 1,845.53