Finding the Fourth Proportional to 5,076.42, 7,012.24 and 4,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,076.42 : 7,012.24 = 4,085.52 : x
2. Step 2: Convert to fraction form
   5,076.42/7,012.24 = 4,085.52/x
3. Step 3: Cross multiply
   5,076.42x = 7,012.24 × 4,085.52
4. Step 4: Simplify right side
   5,076.42x = 28,648,646.76
5. Step 5: Solve for x
   x = 28,648,646.76/5,076.42
6. Step 6: Final answer
   x = 5,643.47