Finding the Fourth Proportional to 35,671.34, 53,509.71 and 10,709.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,671.34 : 53,509.71 = 10,709.45 : x
2. Step 2: Convert to fraction form
   35,671.34/53,509.71 = 10,709.45/x
3. Step 3: Cross multiply
   35,671.34x = 53,509.71 × 10,709.45
4. Step 4: Simplify right side
   35,671.34x = 573,059,563.76
5. Step 5: Solve for x
   x = 573,059,563.76/35,671.34
6. Step 6: Final answer
   x = 16,064.99