Finding the Fourth Proportional to 10,971.30, 16,459.55 and 3,575.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.30 : 16,459.55 = 3,575.80 : x
2. Step 2: Convert to fraction form
   10,971.30/16,459.55 = 3,575.80/x
3. Step 3: Cross multiply
   10,971.30x = 16,459.55 × 3,575.80
4. Step 4: Simplify right side
   10,971.30x = 58,856,058.89
5. Step 5: Solve for x
   x = 58,856,058.89/10,971.30
6. Step 6: Final answer
   x = 5,364.55