Finding the Fourth Proportional to 1,796.48, 2,476.14 and 1,421.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.48 : 2,476.14 = 1,421.72 : x
2. Step 2: Convert to fraction form
   1,796.48/2,476.14 = 1,421.72/x
3. Step 3: Cross multiply
   1,796.48x = 2,476.14 × 1,421.72
4. Step 4: Simplify right side
   1,796.48x = 3,520,377.76
5. Step 5: Solve for x
   x = 3,520,377.76/1,796.48
6. Step 6: Final answer
   x = 1,959.60