Finding the Fourth Proportional to 10,528.12, 14,591.59 and 10,331.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.12 : 14,591.59 = 10,331.32 : x
2. Step 2: Convert to fraction form
   10,528.12/14,591.59 = 10,331.32/x
3. Step 3: Cross multiply
   10,528.12x = 14,591.59 × 10,331.32
4. Step 4: Simplify right side
   10,528.12x = 150,750,385.60
5. Step 5: Solve for x
   x = 150,750,385.60/10,528.12
6. Step 6: Final answer
   x = 14,318.83