Finding the Fourth Proportional to 9,868.50, 14,783.22 and 5,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.50 : 14,783.22 = 5,181.48 : x
2. Step 2: Convert to fraction form
   9,868.50/14,783.22 = 5,181.48/x
3. Step 3: Cross multiply
   9,868.50x = 14,783.22 × 5,181.48
4. Step 4: Simplify right side
   9,868.50x = 76,598,958.77
5. Step 5: Solve for x
   x = 76,598,958.77/9,868.50
6. Step 6: Final answer
   x = 7,761.97