Finding the Fourth Proportional to 8,569.86, 12,848.72 and 3,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,569.86 : 12,848.72 = 3,300.48 : x
2. Step 2: Convert to fraction form
   8,569.86/12,848.72 = 3,300.48/x
3. Step 3: Cross multiply
   8,569.86x = 12,848.72 × 3,300.48
4. Step 4: Simplify right side
   8,569.86x = 42,406,926.88
5. Step 5: Solve for x
   x = 42,406,926.88/8,569.86
6. Step 6: Final answer
   x = 4,948.38