Finding the Fourth Proportional to 13,246.56, 18,280.17 and 7,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,246.56 : 18,280.17 = 7,196.75 : x
2. Step 2: Convert to fraction form
   13,246.56/18,280.17 = 7,196.75/x
3. Step 3: Cross multiply
   13,246.56x = 18,280.17 × 7,196.75
4. Step 4: Simplify right side
   13,246.56x = 131,557,813.45
5. Step 5: Solve for x
   x = 131,557,813.45/13,246.56
6. Step 6: Final answer
   x = 9,931.47