Finding the Fourth Proportional to 10,971.32, 16,453.40 and 3,573.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.32 : 16,453.40 = 3,573.99 : x
2. Step 2: Convert to fraction form
   10,971.32/16,453.40 = 3,573.99/x
3. Step 3: Cross multiply
   10,971.32x = 16,453.40 × 3,573.99
4. Step 4: Simplify right side
   10,971.32x = 58,804,269.20
5. Step 5: Solve for x
   x = 58,804,269.20/10,971.32
6. Step 6: Final answer
   x = 5,359.82