Finding the Fourth Proportional to 2,479.71, 3,421.80 and 1,360.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.71 : 3,421.80 = 1,360.62 : x
2. Step 2: Convert to fraction form
   2,479.71/3,421.80 = 1,360.62/x
3. Step 3: Cross multiply
   2,479.71x = 3,421.80 × 1,360.62
4. Step 4: Simplify right side
   2,479.71x = 4,655,769.52
5. Step 5: Solve for x
   x = 4,655,769.52/2,479.71
6. Step 6: Final answer
   x = 1,877.55