Finding the Fourth Proportional to 5,891.68, 8,128.86 and 3,797.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,891.68 : 8,128.86 = 3,797.02 : x
2. Step 2: Convert to fraction form
   5,891.68/8,128.86 = 3,797.02/x
3. Step 3: Cross multiply
   5,891.68x = 8,128.86 × 3,797.02
4. Step 4: Simplify right side
   5,891.68x = 30,865,444.00
5. Step 5: Solve for x
   x = 30,865,444.00/5,891.68
6. Step 6: Final answer
   x = 5,238.82