Finding the Fourth Proportional to 6,404.45, 8,837.86 and 4,725.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.45 : 8,837.86 = 4,725.25 : x
2. Step 2: Convert to fraction form
   6,404.45/8,837.86 = 4,725.25/x
3. Step 3: Cross multiply
   6,404.45x = 8,837.86 × 4,725.25
4. Step 4: Simplify right side
   6,404.45x = 41,761,030.15
5. Step 5: Solve for x
   x = 41,761,030.15/6,404.45
6. Step 6: Final answer
   x = 6,520.63