Finding the Fourth Proportional to 8,911.82, 12,298.68 and 4,932.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,911.82 : 12,298.68 = 4,932.86 : x
2. Step 2: Convert to fraction form
   8,911.82/12,298.68 = 4,932.86/x
3. Step 3: Cross multiply
   8,911.82x = 12,298.68 × 4,932.86
4. Step 4: Simplify right side
   8,911.82x = 60,667,666.62
5. Step 5: Solve for x
   x = 60,667,666.62/8,911.82
6. Step 6: Final answer
   x = 6,807.55