Finding the Fourth Proportional to 9,127.60, 12,603.54 and 5,775.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,127.60 : 12,603.54 = 5,775.82 : x
2. Step 2: Convert to fraction form
   9,127.60/12,603.54 = 5,775.82/x
3. Step 3: Cross multiply
   9,127.60x = 12,603.54 × 5,775.82
4. Step 4: Simplify right side
   9,127.60x = 72,795,778.40
5. Step 5: Solve for x
   x = 72,795,778.40/9,127.60
6. Step 6: Final answer
   x = 7,975.35