Finding the Fourth Proportional to 1,783.40, 2,671.16 and 1,471.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.40 : 2,671.16 = 1,471.72 : x
2. Step 2: Convert to fraction form
   1,783.40/2,671.16 = 1,471.72/x
3. Step 3: Cross multiply
   1,783.40x = 2,671.16 × 1,471.72
4. Step 4: Simplify right side
   1,783.40x = 3,931,199.60
5. Step 5: Solve for x
   x = 3,931,199.60/1,783.40
6. Step 6: Final answer
   x = 2,204.33