Finding the Fourth Proportional to 2,387.00, 3,582.47 and 1,217.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.00 : 3,582.47 = 1,217.86 : x
2. Step 2: Convert to fraction form
   2,387.00/3,582.47 = 1,217.86/x
3. Step 3: Cross multiply
   2,387.00x = 3,582.47 × 1,217.86
4. Step 4: Simplify right side
   2,387.00x = 4,362,931.87
5. Step 5: Solve for x
   x = 4,362,931.87/2,387.00
6. Step 6: Final answer
   x = 1,827.79