Finding the Fourth Proportional to 13,061.28, 18,022.46 and 8,023.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.28 : 18,022.46 = 8,023.88 : x
2. Step 2: Convert to fraction form
   13,061.28/18,022.46 = 8,023.88/x
3. Step 3: Cross multiply
   13,061.28x = 18,022.46 × 8,023.88
4. Step 4: Simplify right side
   13,061.28x = 144,610,056.34
5. Step 5: Solve for x
   x = 144,610,056.34/13,061.28
6. Step 6: Final answer
   x = 11,071.66