Finding the Fourth Proportional to 9,671.06, 13,346.61 and 5,423.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,671.06 : 13,346.61 = 5,423.48 : x
2. Step 2: Convert to fraction form
   9,671.06/13,346.61 = 5,423.48/x
3. Step 3: Cross multiply
   9,671.06x = 13,346.61 × 5,423.48
4. Step 4: Simplify right side
   9,671.06x = 72,385,072.40
5. Step 5: Solve for x
   x = 72,385,072.40/9,671.06
6. Step 6: Final answer
   x = 7,484.71