Finding the Fourth Proportional to 9,909.94, 13,675.91 and 5,433.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.94 : 13,675.91 = 5,433.43 : x
2. Step 2: Convert to fraction form
   9,909.94/13,675.91 = 5,433.43/x
3. Step 3: Cross multiply
   9,909.94x = 13,675.91 × 5,433.43
4. Step 4: Simplify right side
   9,909.94x = 74,307,004.12
5. Step 5: Solve for x
   x = 74,307,004.12/9,909.94
6. Step 6: Final answer
   x = 7,498.23