Finding the Fourth Proportional to 12,074.72, 18,094.79 and 5,312.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.72 : 18,094.79 = 5,312.18 : x
2. Step 2: Convert to fraction form
   12,074.72/18,094.79 = 5,312.18/x
3. Step 3: Cross multiply
   12,074.72x = 18,094.79 × 5,312.18
4. Step 4: Simplify right side
   12,074.72x = 96,122,840.06
5. Step 5: Solve for x
   x = 96,122,840.06/12,074.72
6. Step 6: Final answer
   x = 7,960.67