Finding the Fourth Proportional to 5,192.78, 7,155.34 and 4,010.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,192.78 : 7,155.34 = 4,010.18 : x
2. Step 2: Convert to fraction form
   5,192.78/7,155.34 = 4,010.18/x
3. Step 3: Cross multiply
   5,192.78x = 7,155.34 × 4,010.18
4. Step 4: Simplify right side
   5,192.78x = 28,694,155.56
5. Step 5: Solve for x
   x = 28,694,155.56/5,192.78
6. Step 6: Final answer
   x = 5,525.78