Finding the Fourth Proportional to 9,639.48, 14,460.72 and 3,400.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,639.48 : 14,460.72 = 3,400.32 : x
2. Step 2: Convert to fraction form
   9,639.48/14,460.72 = 3,400.32/x
3. Step 3: Cross multiply
   9,639.48x = 14,460.72 × 3,400.32
4. Step 4: Simplify right side
   9,639.48x = 49,171,075.43
5. Step 5: Solve for x
   x = 49,171,075.43/9,639.48
6. Step 6: Final answer
   x = 5,101.01