Finding the Fourth Proportional to 10,800.90, 14,905.62 and 5,955.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.90 : 14,905.62 = 5,955.42 : x
2. Step 2: Convert to fraction form
   10,800.90/14,905.62 = 5,955.42/x
3. Step 3: Cross multiply
   10,800.90x = 14,905.62 × 5,955.42
4. Step 4: Simplify right side
   10,800.90x = 88,769,227.46
5. Step 5: Solve for x
   x = 88,769,227.46/10,800.90
6. Step 6: Final answer
   x = 8,218.69