Finding the Fourth Proportional to 22,828.80, 34,242.72 and 10,516.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,828.80 : 34,242.72 = 10,516.80 : x
2. Step 2: Convert to fraction form
   22,828.80/34,242.72 = 10,516.80/x
3. Step 3: Cross multiply
   22,828.80x = 34,242.72 × 10,516.80
4. Step 4: Simplify right side
   22,828.80x = 360,123,837.70
5. Step 5: Solve for x
   x = 360,123,837.70/22,828.80
6. Step 6: Final answer
   x = 15,774.98