Finding the Fourth Proportional to 10,710.40, 16,062.72 and 3,784

Step by Step Solution

1. Step 1: Write the proportion equation
   10,710.40 : 16,062.72 = 3,784 : x
2. Step 2: Convert to fraction form
   10,710.40/16,062.72 = 3,784/x
3. Step 3: Cross multiply
   10,710.40x = 16,062.72 × 3,784
4. Step 4: Simplify right side
   10,710.40x = 60,781,332.48
5. Step 5: Solve for x
   x = 60,781,332.48/10,710.40
6. Step 6: Final answer
   x = 5,674.98