Finding the Fourth Proportional to 11,604.72, 17,376.18 and 7,914.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,604.72 : 17,376.18 = 7,914.20 : x
2. Step 2: Convert to fraction form
   11,604.72/17,376.18 = 7,914.20/x
3. Step 3: Cross multiply
   11,604.72x = 17,376.18 × 7,914.20
4. Step 4: Simplify right side
   11,604.72x = 137,518,563.76
5. Step 5: Solve for x
   x = 137,518,563.76/11,604.72
6. Step 6: Final answer
   x = 11,850.23