Finding the Fourth Proportional to 6,064.72, 8,364.80 and 5,355.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,064.72 : 8,364.80 = 5,355.31 : x
2. Step 2: Convert to fraction form
   6,064.72/8,364.80 = 5,355.31/x
3. Step 3: Cross multiply
   6,064.72x = 8,364.80 × 5,355.31
4. Step 4: Simplify right side
   6,064.72x = 44,796,049.40
5. Step 5: Solve for x
   x = 44,796,049.40/6,064.72
6. Step 6: Final answer
   x = 7,386.34