Finding the Fourth Proportional to 10,884.83, 15,003.69 and 8,581.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,884.83 : 15,003.69 = 8,581.45 : x
2. Step 2: Convert to fraction form
   10,884.83/15,003.69 = 8,581.45/x
3. Step 3: Cross multiply
   10,884.83x = 15,003.69 × 8,581.45
4. Step 4: Simplify right side
   10,884.83x = 128,753,415.55
5. Step 5: Solve for x
   x = 128,753,415.55/10,884.83
6. Step 6: Final answer
   x = 11,828.70