Finding the Fourth Proportional to 2,059.96, 3,089.94 and 521.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.96 : 3,089.94 = 521.08 : x
2. Step 2: Convert to fraction form
   2,059.96/3,089.94 = 521.08/x
3. Step 3: Cross multiply
   2,059.96x = 3,089.94 × 521.08
4. Step 4: Simplify right side
   2,059.96x = 1,610,105.94
5. Step 5: Solve for x
   x = 1,610,105.94/2,059.96
6. Step 6: Final answer
   x = 781.62