Finding the Fourth Proportional to 13,076.19, 18,042.89 and 7,409.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,076.19 : 18,042.89 = 7,409.76 : x
2. Step 2: Convert to fraction form
   13,076.19/18,042.89 = 7,409.76/x
3. Step 3: Cross multiply
   13,076.19x = 18,042.89 × 7,409.76
4. Step 4: Simplify right side
   13,076.19x = 133,693,447.56
5. Step 5: Solve for x
   x = 133,693,447.56/13,076.19
6. Step 6: Final answer
   x = 10,224.19