Finding the Fourth Proportional to 2,079.72, 2,870.01 and 1,148.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.72 : 2,870.01 = 1,148.22 : x
2. Step 2: Convert to fraction form
   2,079.72/2,870.01 = 1,148.22/x
3. Step 3: Cross multiply
   2,079.72x = 2,870.01 × 1,148.22
4. Step 4: Simplify right side
   2,079.72x = 3,295,402.88
5. Step 5: Solve for x
   x = 3,295,402.88/2,079.72
6. Step 6: Final answer
   x = 1,584.54