Finding the Fourth Proportional to 2,019.23, 2,785.47 and 1,521.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.23 : 2,785.47 = 1,521.00 : x
2. Step 2: Convert to fraction form
   2,019.23/2,785.47 = 1,521.00/x
3. Step 3: Cross multiply
   2,019.23x = 2,785.47 × 1,521.00
4. Step 4: Simplify right side
   2,019.23x = 4,236,713.17
5. Step 5: Solve for x
   x = 4,236,713.17/2,019.23
6. Step 6: Final answer
   x = 2,098.18