Finding the Fourth Proportional to 9,848.72, 14,783.62 and 5,469.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,848.72 : 14,783.62 = 5,469.86 : x
2. Step 2: Convert to fraction form
   9,848.72/14,783.62 = 5,469.86/x
3. Step 3: Cross multiply
   9,848.72x = 14,783.62 × 5,469.86
4. Step 4: Simplify right side
   9,848.72x = 80,864,331.69
5. Step 5: Solve for x
   x = 80,864,331.69/9,848.72
6. Step 6: Final answer
   x = 8,210.64