Finding the Fourth Proportional to 13,297.72, 19,947.69 and 3,437.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,297.72 : 19,947.69 = 3,437.18 : x
2. Step 2: Convert to fraction form
   13,297.72/19,947.69 = 3,437.18/x
3. Step 3: Cross multiply
   13,297.72x = 19,947.69 × 3,437.18
4. Step 4: Simplify right side
   13,297.72x = 68,563,898.05
5. Step 5: Solve for x
   x = 68,563,898.05/13,297.72
6. Step 6: Final answer
   x = 5,156.06