Finding the Fourth Proportional to 1,979.39, 2,732.69 and 1,478.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979.39 : 2,732.69 = 1,478.00 : x
2. Step 2: Convert to fraction form
   1,979.39/2,732.69 = 1,478.00/x
3. Step 3: Cross multiply
   1,979.39x = 2,732.69 × 1,478.00
4. Step 4: Simplify right side
   1,979.39x = 4,038,902.66
5. Step 5: Solve for x
   x = 4,038,902.66/1,979.39
6. Step 6: Final answer
   x = 2,040.48