Finding the Fourth Proportional to 12,880.50, 17,773.05 and 7,503.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,880.50 : 17,773.05 = 7,503.82 : x
2. Step 2: Convert to fraction form
   12,880.50/17,773.05 = 7,503.82/x
3. Step 3: Cross multiply
   12,880.50x = 17,773.05 × 7,503.82
4. Step 4: Simplify right side
   12,880.50x = 133,365,768.05
5. Step 5: Solve for x
   x = 133,365,768.05/12,880.50
6. Step 6: Final answer
   x = 10,354.08