Finding the Fourth Proportional to 8,977.46, 13,447.83 and 7,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,977.46 : 13,447.83 = 7,317.50 : x
2. Step 2: Convert to fraction form
   8,977.46/13,447.83 = 7,317.50/x
3. Step 3: Cross multiply
   8,977.46x = 13,447.83 × 7,317.50
4. Step 4: Simplify right side
   8,977.46x = 98,404,496.03
5. Step 5: Solve for x
   x = 98,404,496.03/8,977.46
6. Step 6: Final answer
   x = 10,961.28