Finding the Fourth Proportional to 1,404.02, 2,106.04 and 479.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.02 : 2,106.04 = 479.59 : x
2. Step 2: Convert to fraction form
   1,404.02/2,106.04 = 479.59/x
3. Step 3: Cross multiply
   1,404.02x = 2,106.04 × 479.59
4. Step 4: Simplify right side
   1,404.02x = 1,010,033.17
5. Step 5: Solve for x
   x = 1,010,033.17/1,404.02
6. Step 6: Final answer
   x = 719.38