Finding the Fourth Proportional to 9,973.55, 13,763.59 and 5,497.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,973.55 : 13,763.59 = 5,497.47 : x
2. Step 2: Convert to fraction form
   9,973.55/13,763.59 = 5,497.47/x
3. Step 3: Cross multiply
   9,973.55x = 13,763.59 × 5,497.47
4. Step 4: Simplify right side
   9,973.55x = 75,664,923.12
5. Step 5: Solve for x
   x = 75,664,923.12/9,973.55
6. Step 6: Final answer
   x = 7,586.56