Finding the Fourth Proportional to 2,479.48, 3,421.72 and 1,360.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.48 : 3,421.72 = 1,360.35 : x
2. Step 2: Convert to fraction form
   2,479.48/3,421.72 = 1,360.35/x
3. Step 3: Cross multiply
   2,479.48x = 3,421.72 × 1,360.35
4. Step 4: Simplify right side
   2,479.48x = 4,654,719.69
5. Step 5: Solve for x
   x = 4,654,719.69/2,479.48
6. Step 6: Final answer
   x = 1,877.30