Finding the Fourth Proportional to 5,919.78, 8,132.73 and 5,298.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,919.78 : 8,132.73 = 5,298.42 : x
2. Step 2: Convert to fraction form
   5,919.78/8,132.73 = 5,298.42/x
3. Step 3: Cross multiply
   5,919.78x = 8,132.73 × 5,298.42
4. Step 4: Simplify right side
   5,919.78x = 43,090,619.29
5. Step 5: Solve for x
   x = 43,090,619.29/5,919.78
6. Step 6: Final answer
   x = 7,279.09