Finding the Fourth Proportional to 5,890.61, 8,128.83 and 3,238.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,890.61 : 8,128.83 = 3,238.00 : x
2. Step 2: Convert to fraction form
   5,890.61/8,128.83 = 3,238.00/x
3. Step 3: Cross multiply
   5,890.61x = 8,128.83 × 3,238.00
4. Step 4: Simplify right side
   5,890.61x = 26,321,131.22
5. Step 5: Solve for x
   x = 26,321,131.22/5,890.61
6. Step 6: Final answer
   x = 4,468.32