Finding the Fourth Proportional to 10,981.61, 15,154.61 and 5,945.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.61 : 15,154.61 = 5,945.84 : x
2. Step 2: Convert to fraction form
   10,981.61/15,154.61 = 5,945.84/x
3. Step 3: Cross multiply
   10,981.61x = 15,154.61 × 5,945.84
4. Step 4: Simplify right side
   10,981.61x = 90,106,818.71
5. Step 5: Solve for x
   x = 90,106,818.71/10,981.61
6. Step 6: Final answer
   x = 8,205.24