Finding the Fourth Proportional to 2,077.24, 3,116.26 and 1,152.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.24 : 3,116.26 = 1,152.30 : x
2. Step 2: Convert to fraction form
   2,077.24/3,116.26 = 1,152.30/x
3. Step 3: Cross multiply
   2,077.24x = 3,116.26 × 1,152.30
4. Step 4: Simplify right side
   2,077.24x = 3,590,866.40
5. Step 5: Solve for x
   x = 3,590,866.40/2,077.24
6. Step 6: Final answer
   x = 1,728.67