Finding the Fourth Proportional to 9,422.88, 13,003.60 and 5,443.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.88 : 13,003.60 = 5,443.98 : x
2. Step 2: Convert to fraction form
   9,422.88/13,003.60 = 5,443.98/x
3. Step 3: Cross multiply
   9,422.88x = 13,003.60 × 5,443.98
4. Step 4: Simplify right side
   9,422.88x = 70,791,338.33
5. Step 5: Solve for x
   x = 70,791,338.33/9,422.88
6. Step 6: Final answer
   x = 7,512.71