Finding the Fourth Proportional to 9,392.05, 12,961.01 and 5,200.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.05 : 12,961.01 = 5,200.45 : x
2. Step 2: Convert to fraction form
   9,392.05/12,961.01 = 5,200.45/x
3. Step 3: Cross multiply
   9,392.05x = 12,961.01 × 5,200.45
4. Step 4: Simplify right side
   9,392.05x = 67,403,058.45
5. Step 5: Solve for x
   x = 67,403,058.45/9,392.05
6. Step 6: Final answer
   x = 7,176.61