Finding the Fourth Proportional to 2,077.48, 2,870.22 and 1,582.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.48 : 2,870.22 = 1,582.12 : x
2. Step 2: Convert to fraction form
   2,077.48/2,870.22 = 1,582.12/x
3. Step 3: Cross multiply
   2,077.48x = 2,870.22 × 1,582.12
4. Step 4: Simplify right side
   2,077.48x = 4,541,032.47
5. Step 5: Solve for x
   x = 4,541,032.47/2,077.48
6. Step 6: Final answer
   x = 2,185.84