Finding the Fourth Proportional to 9,351.45, 12,903.91 and 5,574.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351.45 : 12,903.91 = 5,574.83 : x
2. Step 2: Convert to fraction form
   9,351.45/12,903.91 = 5,574.83/x
3. Step 3: Cross multiply
   9,351.45x = 12,903.91 × 5,574.83
4. Step 4: Simplify right side
   9,351.45x = 71,937,026.13
5. Step 5: Solve for x
   x = 71,937,026.13/9,351.45
6. Step 6: Final answer
   x = 7,692.61