Finding the Fourth Proportional to 1,666.56, 2,482.37 and 1,582.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.56 : 2,482.37 = 1,582.32 : x
2. Step 2: Convert to fraction form
   1,666.56/2,482.37 = 1,582.32/x
3. Step 3: Cross multiply
   1,666.56x = 2,482.37 × 1,582.32
4. Step 4: Simplify right side
   1,666.56x = 3,927,895.79
5. Step 5: Solve for x
   x = 3,927,895.79/1,666.56
6. Step 6: Final answer
   x = 2,356.89