Finding the Fourth Proportional to 10,845.48, 16,281.52 and 7,150.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845.48 : 16,281.52 = 7,150.80 : x
2. Step 2: Convert to fraction form
   10,845.48/16,281.52 = 7,150.80/x
3. Step 3: Cross multiply
   10,845.48x = 16,281.52 × 7,150.80
4. Step 4: Simplify right side
   10,845.48x = 116,425,893.22
5. Step 5: Solve for x
   x = 116,425,893.22/10,845.48
6. Step 6: Final answer
   x = 10,734.97