Finding the Fourth Proportional to 9,642.48, 14,465.60 and 3,798.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642.48 : 14,465.60 = 3,798.72 : x
2. Step 2: Convert to fraction form
   9,642.48/14,465.60 = 3,798.72/x
3. Step 3: Cross multiply
   9,642.48x = 14,465.60 × 3,798.72
4. Step 4: Simplify right side
   9,642.48x = 54,950,764.03
5. Step 5: Solve for x
   x = 54,950,764.03/9,642.48
6. Step 6: Final answer
   x = 5,698.82