Finding the Fourth Proportional to 9,436.57, 14,134.71 and 7,190.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.57 : 14,134.71 = 7,190.44 : x
2. Step 2: Convert to fraction form
   9,436.57/14,134.71 = 7,190.44/x
3. Step 3: Cross multiply
   9,436.57x = 14,134.71 × 7,190.44
4. Step 4: Simplify right side
   9,436.57x = 101,634,784.17
5. Step 5: Solve for x
   x = 101,634,784.17/9,436.57
6. Step 6: Final answer
   x = 10,770.31