Finding the Fourth Proportional to 9,975.30, 13,766.01 and 5,499.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975.30 : 13,766.01 = 5,499.23 : x
2. Step 2: Convert to fraction form
   9,975.30/13,766.01 = 5,499.23/x
3. Step 3: Cross multiply
   9,975.30x = 13,766.01 × 5,499.23
4. Step 4: Simplify right side
   9,975.30x = 75,702,365.72
5. Step 5: Solve for x
   x = 75,702,365.72/9,975.30
6. Step 6: Final answer
   x = 7,588.98