Finding the Fourth Proportional to 10,450.61, 15,676.82 and 3,428.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,450.61 : 15,676.82 = 3,428.52 : x
2. Step 2: Convert to fraction form
   10,450.61/15,676.82 = 3,428.52/x
3. Step 3: Cross multiply
   10,450.61x = 15,676.82 × 3,428.52
4. Step 4: Simplify right side
   10,450.61x = 53,748,290.91
5. Step 5: Solve for x
   x = 53,748,290.91/10,450.61
6. Step 6: Final answer
   x = 5,143.08