Finding the Fourth Proportional to 9,807.36, 14,709.12 and 3,962.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.36 : 14,709.12 = 3,962.88 : x
2. Step 2: Convert to fraction form
   9,807.36/14,709.12 = 3,962.88/x
3. Step 3: Cross multiply
   9,807.36x = 14,709.12 × 3,962.88
4. Step 4: Simplify right side
   9,807.36x = 58,290,477.47
5. Step 5: Solve for x
   x = 58,290,477.47/9,807.36
6. Step 6: Final answer
   x = 5,943.54