Finding the Fourth Proportional to 9,436.84, 13,036.12 and 8,938.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.84 : 13,036.12 = 8,938.62 : x
2. Step 2: Convert to fraction form
   9,436.84/13,036.12 = 8,938.62/x
3. Step 3: Cross multiply
   9,436.84x = 13,036.12 × 8,938.62
4. Step 4: Simplify right side
   9,436.84x = 116,524,900.61
5. Step 5: Solve for x
   x = 116,524,900.61/9,436.84
6. Step 6: Final answer
   x = 12,347.88