Finding the Fourth Proportional to 10,935.54, 16,384.41 and 8,610.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,935.54 : 16,384.41 = 8,610.39 : x
2. Step 2: Convert to fraction form
   10,935.54/16,384.41 = 8,610.39/x
3. Step 3: Cross multiply
   10,935.54x = 16,384.41 × 8,610.39
4. Step 4: Simplify right side
   10,935.54x = 141,076,160.02
5. Step 5: Solve for x
   x = 141,076,160.02/10,935.54
6. Step 6: Final answer
   x = 12,900.70