Finding the Fourth Proportional to 1,479.69, 2,041.07 and 881.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.69 : 2,041.07 = 881.79 : x
2. Step 2: Convert to fraction form
   1,479.69/2,041.07 = 881.79/x
3. Step 3: Cross multiply
   1,479.69x = 2,041.07 × 881.79
4. Step 4: Simplify right side
   1,479.69x = 1,799,780.50
5. Step 5: Solve for x
   x = 1,799,780.50/1,479.69
6. Step 6: Final answer
   x = 1,216.33