Finding the Fourth Proportional to 2,079.84, 2,870.18 and 1,148.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.84 : 2,870.18 = 1,148.34 : x
2. Step 2: Convert to fraction form
   2,079.84/2,870.18 = 1,148.34/x
3. Step 3: Cross multiply
   2,079.84x = 2,870.18 × 1,148.34
4. Step 4: Simplify right side
   2,079.84x = 3,295,958.29
5. Step 5: Solve for x
   x = 3,295,958.29/2,079.84
6. Step 6: Final answer
   x = 1,584.71