Finding the Fourth Proportional to 9,392.50, 12,961.74 and 5,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,392.50 : 12,961.74 = 5,200.84 : x
2. Step 2: Convert to fraction form
   9,392.50/12,961.74 = 5,200.84/x
3. Step 3: Cross multiply
   9,392.50x = 12,961.74 × 5,200.84
4. Step 4: Simplify right side
   9,392.50x = 67,411,935.86
5. Step 5: Solve for x
   x = 67,411,935.86/9,392.50
6. Step 6: Final answer
   x = 7,177.21