Finding the Fourth Proportional to 11,076.86, 16,618.43 and 4,507.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,076.86 : 16,618.43 = 4,507.76 : x
2. Step 2: Convert to fraction form
   11,076.86/16,618.43 = 4,507.76/x
3. Step 3: Cross multiply
   11,076.86x = 16,618.43 × 4,507.76
4. Step 4: Simplify right side
   11,076.86x = 74,911,946.83
5. Step 5: Solve for x
   x = 74,911,946.83/11,076.86
6. Step 6: Final answer
   x = 6,762.92