Finding the Fourth Proportional to 9,081.68, 13,603.37 and 4,155.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.68 : 13,603.37 = 4,155.46 : x
2. Step 2: Convert to fraction form
   9,081.68/13,603.37 = 4,155.46/x
3. Step 3: Cross multiply
   9,081.68x = 13,603.37 × 4,155.46
4. Step 4: Simplify right side
   9,081.68x = 56,528,259.90
5. Step 5: Solve for x
   x = 56,528,259.90/9,081.68
6. Step 6: Final answer
   x = 6,224.43