Finding the Fourth Proportional to 2,479.51, 3,717.06 and 1,384.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.51 : 3,717.06 = 1,384.21 : x
2. Step 2: Convert to fraction form
   2,479.51/3,717.06 = 1,384.21/x
3. Step 3: Cross multiply
   2,479.51x = 3,717.06 × 1,384.21
4. Step 4: Simplify right side
   2,479.51x = 5,145,191.62
5. Step 5: Solve for x
   x = 5,145,191.62/2,479.51
6. Step 6: Final answer
   x = 2,075.08