Finding the Fourth Proportional to 2,406.58, 3,321.10 and 1,411.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.58 : 3,321.10 = 1,411.88 : x
2. Step 2: Convert to fraction form
   2,406.58/3,321.10 = 1,411.88/x
3. Step 3: Cross multiply
   2,406.58x = 3,321.10 × 1,411.88
4. Step 4: Simplify right side
   2,406.58x = 4,688,994.67
5. Step 5: Solve for x
   x = 4,688,994.67/2,406.58
6. Step 6: Final answer
   x = 1,948.41