Finding the Fourth Proportional to 2,077.48, 3,118.38 and 1,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.48 : 3,118.38 = 1,530.28 : x
2. Step 2: Convert to fraction form
   2,077.48/3,118.38 = 1,530.28/x
3. Step 3: Cross multiply
   2,077.48x = 3,118.38 × 1,530.28
4. Step 4: Simplify right side
   2,077.48x = 4,771,994.55
5. Step 5: Solve for x
   x = 4,771,994.55/2,077.48
6. Step 6: Final answer
   x = 2,297.01