Finding the Fourth Proportional to 13,468.96, 18,585.84 and 7,500.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,468.96 : 18,585.84 = 7,500.40 : x
2. Step 2: Convert to fraction form
   13,468.96/18,585.84 = 7,500.40/x
3. Step 3: Cross multiply
   13,468.96x = 18,585.84 × 7,500.40
4. Step 4: Simplify right side
   13,468.96x = 139,401,234.34
5. Step 5: Solve for x
   x = 139,401,234.34/13,468.96
6. Step 6: Final answer
   x = 10,349.81