Finding the Fourth Proportional to 9,648.95, 13,318.17 and 5,671.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.95 : 13,318.17 = 5,671.34 : x
2. Step 2: Convert to fraction form
   9,648.95/13,318.17 = 5,671.34/x
3. Step 3: Cross multiply
   9,648.95x = 13,318.17 × 5,671.34
4. Step 4: Simplify right side
   9,648.95x = 75,531,870.25
5. Step 5: Solve for x
   x = 75,531,870.25/9,648.95
6. Step 6: Final answer
   x = 7,827.99