Finding the Fourth Proportional to 12,692.52, 17,515.10 and 7,026.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,692.52 : 17,515.10 = 7,026.87 : x
2. Step 2: Convert to fraction form
   12,692.52/17,515.10 = 7,026.87/x
3. Step 3: Cross multiply
   12,692.52x = 17,515.10 × 7,026.87
4. Step 4: Simplify right side
   12,692.52x = 123,076,282.62
5. Step 5: Solve for x
   x = 123,076,282.62/12,692.52
6. Step 6: Final answer
   x = 9,696.76