Finding the Fourth Proportional to 9,780.04, 13,496.25 and 5,303.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.04 : 13,496.25 = 5,303.62 : x
2. Step 2: Convert to fraction form
   9,780.04/13,496.25 = 5,303.62/x
3. Step 3: Cross multiply
   9,780.04x = 13,496.25 × 5,303.62
4. Step 4: Simplify right side
   9,780.04x = 71,578,981.43
5. Step 5: Solve for x
   x = 71,578,981.43/9,780.04
6. Step 6: Final answer
   x = 7,318.88