Finding the Fourth Proportional to 34,360.72, 51,524.78 and 13,310.62

Step by Step Solution

1. Step 1: Write the proportion equation
   34,360.72 : 51,524.78 = 13,310.62 : x
2. Step 2: Convert to fraction form
   34,360.72/51,524.78 = 13,310.62/x
3. Step 3: Cross multiply
   34,360.72x = 51,524.78 × 13,310.62
4. Step 4: Simplify right side
   34,360.72x = 685,826,767.16
5. Step 5: Solve for x
   x = 685,826,767.16/34,360.72
6. Step 6: Final answer
   x = 19,959.62