Finding the Fourth Proportional to 2,079.33, 2,870.30 and 1,416.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.33 : 2,870.30 = 1,416.55 : x
2. Step 2: Convert to fraction form
   2,079.33/2,870.30 = 1,416.55/x
3. Step 3: Cross multiply
   2,079.33x = 2,870.30 × 1,416.55
4. Step 4: Simplify right side
   2,079.33x = 4,065,923.47
5. Step 5: Solve for x
   x = 4,065,923.47/2,079.33
6. Step 6: Final answer
   x = 1,955.40