Finding the Fourth Proportional to 5,900.64, 8,828.72 and 3,519.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,900.64 : 8,828.72 = 3,519.92 : x
2. Step 2: Convert to fraction form
   5,900.64/8,828.72 = 3,519.92/x
3. Step 3: Cross multiply
   5,900.64x = 8,828.72 × 3,519.92
4. Step 4: Simplify right side
   5,900.64x = 31,076,388.10
5. Step 5: Solve for x
   x = 31,076,388.10/5,900.64
6. Step 6: Final answer
   x = 5,266.61