Finding the Fourth Proportional to 1,582.61, 2,184.00 and 883.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.61 : 2,184.00 = 883.99 : x
2. Step 2: Convert to fraction form
   1,582.61/2,184.00 = 883.99/x
3. Step 3: Cross multiply
   1,582.61x = 2,184.00 × 883.99
4. Step 4: Simplify right side
   1,582.61x = 1,930,634.89
5. Step 5: Solve for x
   x = 1,930,634.89/1,582.61
6. Step 6: Final answer
   x = 1,219.90