Finding the Fourth Proportional to 33,870.92, 50,809.98 and 10,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   33,870.92 : 50,809.98 = 10,499.18 : x
2. Step 2: Convert to fraction form
   33,870.92/50,809.98 = 10,499.18/x
3. Step 3: Cross multiply
   33,870.92x = 50,809.98 × 10,499.18
4. Step 4: Simplify right side
   33,870.92x = 533,463,125.82
5. Step 5: Solve for x
   x = 533,463,125.82/33,870.92
6. Step 6: Final answer
   x = 15,749.89