Finding the Fourth Proportional to 12,334.05, 18,499.05 and 5,312.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,334.05 : 18,499.05 = 5,312.16 : x
2. Step 2: Convert to fraction form
   12,334.05/18,499.05 = 5,312.16/x
3. Step 3: Cross multiply
   12,334.05x = 18,499.05 × 5,312.16
4. Step 4: Simplify right side
   12,334.05x = 98,269,913.45
5. Step 5: Solve for x
   x = 98,269,913.45/12,334.05
6. Step 6: Final answer
   x = 7,967.37