Finding the Fourth Proportional to 9,434.21, 14,141.39 and 3,188.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,434.21 : 14,141.39 = 3,188.30 : x
2. Step 2: Convert to fraction form
   9,434.21/14,141.39 = 3,188.30/x
3. Step 3: Cross multiply
   9,434.21x = 14,141.39 × 3,188.30
4. Step 4: Simplify right side
   9,434.21x = 45,086,907.09
5. Step 5: Solve for x
   x = 45,086,907.09/9,434.21
6. Step 6: Final answer
   x = 4,779.09