Finding the Fourth Proportional to 6,404.64, 8,837.76 and 3,751.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.64 : 8,837.76 = 3,751.56 : x
2. Step 2: Convert to fraction form
   6,404.64/8,837.76 = 3,751.56/x
3. Step 3: Cross multiply
   6,404.64x = 8,837.76 × 3,751.56
4. Step 4: Simplify right side
   6,404.64x = 33,155,386.91
5. Step 5: Solve for x
   x = 33,155,386.91/6,404.64
6. Step 6: Final answer
   x = 5,176.78