Finding the Fourth Proportional to 8,411.86, 11,610.15 and 4,827.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.86 : 11,610.15 = 4,827.40 : x
2. Step 2: Convert to fraction form
   8,411.86/11,610.15 = 4,827.40/x
3. Step 3: Cross multiply
   8,411.86x = 11,610.15 × 4,827.40
4. Step 4: Simplify right side
   8,411.86x = 56,046,886.52
5. Step 5: Solve for x
   x = 56,046,886.52/8,411.86
6. Step 6: Final answer
   x = 6,662.84