Finding the Fourth Proportional to 7,155.73, 9,874.67 and 4,322.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.73 : 9,874.67 = 4,322.61 : x
2. Step 2: Convert to fraction form
   7,155.73/9,874.67 = 4,322.61/x
3. Step 3: Cross multiply
   7,155.73x = 9,874.67 × 4,322.61
4. Step 4: Simplify right side
   7,155.73x = 42,684,318.76
5. Step 5: Solve for x
   x = 42,684,318.76/7,155.73
6. Step 6: Final answer
   x = 5,965.06