Finding the Fourth Proportional to 9,973.12, 13,763.06 and 5,496.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,973.12 : 13,763.06 = 5,496.80 : x
2. Step 2: Convert to fraction form
   9,973.12/13,763.06 = 5,496.80/x
3. Step 3: Cross multiply
   9,973.12x = 13,763.06 × 5,496.80
4. Step 4: Simplify right side
   9,973.12x = 75,652,760.72
5. Step 5: Solve for x
   x = 75,652,760.72/9,973.12
6. Step 6: Final answer
   x = 7,585.67