Finding the Fourth Proportional to 9,603.58, 13,256.22 and 5,625.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.58 : 13,256.22 = 5,625.96 : x
2. Step 2: Convert to fraction form
   9,603.58/13,256.22 = 5,625.96/x
3. Step 3: Cross multiply
   9,603.58x = 13,256.22 × 5,625.96
4. Step 4: Simplify right side
   9,603.58x = 74,578,963.47
5. Step 5: Solve for x
   x = 74,578,963.47/9,603.58
6. Step 6: Final answer
   x = 7,765.75