Finding the Fourth Proportional to 10,834.84, 16,242.52 and 8,997.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.84 : 16,242.52 = 8,997.76 : x
2. Step 2: Convert to fraction form
   10,834.84/16,242.52 = 8,997.76/x
3. Step 3: Cross multiply
   10,834.84x = 16,242.52 × 8,997.76
4. Step 4: Simplify right side
   10,834.84x = 146,146,296.76
5. Step 5: Solve for x
   x = 146,146,296.76/10,834.84
6. Step 6: Final answer
   x = 13,488.55