Finding the Fourth Proportional to 1,942.79, 2,915.89 and 1,019.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.79 : 2,915.89 = 1,019.00 : x
2. Step 2: Convert to fraction form
   1,942.79/2,915.89 = 1,019.00/x
3. Step 3: Cross multiply
   1,942.79x = 2,915.89 × 1,019.00
4. Step 4: Simplify right side
   1,942.79x = 2,971,296.65
5. Step 5: Solve for x
   x = 2,971,296.65/1,942.79
6. Step 6: Final answer
   x = 1,529.40