Finding the Fourth Proportional to 12,266.31, 18,393.94 and 3,499.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,266.31 : 18,393.94 = 3,499.14 : x
2. Step 2: Convert to fraction form
   12,266.31/18,393.94 = 3,499.14/x
3. Step 3: Cross multiply
   12,266.31x = 18,393.94 × 3,499.14
4. Step 4: Simplify right side
   12,266.31x = 64,362,971.21
5. Step 5: Solve for x
   x = 64,362,971.21/12,266.31
6. Step 6: Final answer
   x = 5,247.13