Finding the Fourth Proportional to 6,401.56, 8,830.56 and 3,748.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.56 : 8,830.56 = 3,748.45 : x
2. Step 2: Convert to fraction form
   6,401.56/8,830.56 = 3,748.45/x
3. Step 3: Cross multiply
   6,401.56x = 8,830.56 × 3,748.45
4. Step 4: Simplify right side
   6,401.56x = 33,100,912.63
5. Step 5: Solve for x
   x = 33,100,912.63/6,401.56
6. Step 6: Final answer
   x = 5,170.76