Finding the Fourth Proportional to 2,443.98, 3,666.61 and 1,056.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.98 : 3,666.61 = 1,056.99 : x
2. Step 2: Convert to fraction form
   2,443.98/3,666.61 = 1,056.99/x
3. Step 3: Cross multiply
   2,443.98x = 3,666.61 × 1,056.99
4. Step 4: Simplify right side
   2,443.98x = 3,875,585.20
5. Step 5: Solve for x
   x = 3,875,585.20/2,443.98
6. Step 6: Final answer
   x = 1,585.77