Finding the Fourth Proportional to 13,251.85, 19,880.69 and 7,337.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,251.85 : 19,880.69 = 7,337.34 : x
2. Step 2: Convert to fraction form
   13,251.85/19,880.69 = 7,337.34/x
3. Step 3: Cross multiply
   13,251.85x = 19,880.69 × 7,337.34
4. Step 4: Simplify right side
   13,251.85x = 145,871,345.28
5. Step 5: Solve for x
   x = 145,871,345.28/13,251.85
6. Step 6: Final answer
   x = 11,007.62