Finding the Fourth Proportional to 5,429.76, 8,085.98 and 5,368.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.76 : 8,085.98 = 5,368.25 : x
2. Step 2: Convert to fraction form
   5,429.76/8,085.98 = 5,368.25/x
3. Step 3: Cross multiply
   5,429.76x = 8,085.98 × 5,368.25
4. Step 4: Simplify right side
   5,429.76x = 43,407,542.83
5. Step 5: Solve for x
   x = 43,407,542.83/5,429.76
6. Step 6: Final answer
   x = 7,994.38