Finding the Fourth Proportional to 9,155.75, 12,636.28 and 5,798.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.75 : 12,636.28 = 5,798.88 : x
2. Step 2: Convert to fraction form
   9,155.75/12,636.28 = 5,798.88/x
3. Step 3: Cross multiply
   9,155.75x = 12,636.28 × 5,798.88
4. Step 4: Simplify right side
   9,155.75x = 73,276,271.37
5. Step 5: Solve for x
   x = 73,276,271.37/9,155.75
6. Step 6: Final answer
   x = 8,003.31