Finding the Fourth Proportional to 11,146.34, 15,381.24 and 6,109.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,146.34 : 15,381.24 = 6,109.67 : x
2. Step 2: Convert to fraction form
   11,146.34/15,381.24 = 6,109.67/x
3. Step 3: Cross multiply
   11,146.34x = 15,381.24 × 6,109.67
4. Step 4: Simplify right side
   11,146.34x = 93,974,300.59
5. Step 5: Solve for x
   x = 93,974,300.59/11,146.34
6. Step 6: Final answer
   x = 8,430.96