Finding the Fourth Proportional to 9,950.55, 13,730.61 and 5,473.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,950.55 : 13,730.61 = 5,473.88 : x
2. Step 2: Convert to fraction form
   9,950.55/13,730.61 = 5,473.88/x
3. Step 3: Cross multiply
   9,950.55x = 13,730.61 × 5,473.88
4. Step 4: Simplify right side
   9,950.55x = 75,159,711.47
5. Step 5: Solve for x
   x = 75,159,711.47/9,950.55
6. Step 6: Final answer
   x = 7,553.33