Finding the Fourth Proportional to 13,395.50, 18,488.34 and 7,733.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,395.50 : 18,488.34 = 7,733.91 : x
2. Step 2: Convert to fraction form
   13,395.50/18,488.34 = 7,733.91/x
3. Step 3: Cross multiply
   13,395.50x = 18,488.34 × 7,733.91
4. Step 4: Simplify right side
   13,395.50x = 142,987,157.61
5. Step 5: Solve for x
   x = 142,987,157.61/13,395.50
6. Step 6: Final answer
   x = 10,674.27