Finding the Fourth Proportional to 13,074.58, 18,042.33 and 7,409.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.58 : 18,042.33 = 7,409.56 : x
2. Step 2: Convert to fraction form
   13,074.58/18,042.33 = 7,409.56/x
3. Step 3: Cross multiply
   13,074.58x = 18,042.33 × 7,409.56
4. Step 4: Simplify right side
   13,074.58x = 133,685,726.67
5. Step 5: Solve for x
   x = 133,685,726.67/13,074.58
6. Step 6: Final answer
   x = 10,224.86