Finding the Fourth Proportional to 2,406.83, 3,319.64 and 1,521.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.83 : 3,319.64 = 1,521.77 : x
2. Step 2: Convert to fraction form
   2,406.83/3,319.64 = 1,521.77/x
3. Step 3: Cross multiply
   2,406.83x = 3,319.64 × 1,521.77
4. Step 4: Simplify right side
   2,406.83x = 5,051,742.35
5. Step 5: Solve for x
   x = 5,051,742.35/2,406.83
6. Step 6: Final answer
   x = 2,098.92