Finding the Fourth Proportional to 33,085.56, 49,631.58 and 10,899.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,085.56 : 49,631.58 = 10,899.12 : x
2. Step 2: Convert to fraction form
   33,085.56/49,631.58 = 10,899.12/x
3. Step 3: Cross multiply
   33,085.56x = 49,631.58 × 10,899.12
4. Step 4: Simplify right side
   33,085.56x = 540,940,546.21
5. Step 5: Solve for x
   x = 540,940,546.21/33,085.56
6. Step 6: Final answer
   x = 16,349.75