Finding the Fourth Proportional to 10,971.76, 16,459.35 and 3,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.76 : 16,459.35 = 3,574.50 : x
2. Step 2: Convert to fraction form
   10,971.76/16,459.35 = 3,574.50/x
3. Step 3: Cross multiply
   10,971.76x = 16,459.35 × 3,574.50
4. Step 4: Simplify right side
   10,971.76x = 58,833,846.41
5. Step 5: Solve for x
   x = 58,833,846.41/10,971.76
6. Step 6: Final answer
   x = 5,362.30