Finding the Fourth Proportional to 10,700.84, 16,050.78 and 3,305

Step by Step Solution

1. Step 1: Write the proportion equation
   10,700.84 : 16,050.78 = 3,305 : x
2. Step 2: Convert to fraction form
   10,700.84/16,050.78 = 3,305/x
3. Step 3: Cross multiply
   10,700.84x = 16,050.78 × 3,305
4. Step 4: Simplify right side
   10,700.84x = 53,047,827.90
5. Step 5: Solve for x
   x = 53,047,827.90/10,700.84
6. Step 6: Final answer
   x = 4,957.35