Finding the Fourth Proportional to 12,692.94, 19,006.56 and 8,756.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,692.94 : 19,006.56 = 8,756.34 : x
2. Step 2: Convert to fraction form
   12,692.94/19,006.56 = 8,756.34/x
3. Step 3: Cross multiply
   12,692.94x = 19,006.56 × 8,756.34
4. Step 4: Simplify right side
   12,692.94x = 166,427,901.59
5. Step 5: Solve for x
   x = 166,427,901.59/12,692.94
6. Step 6: Final answer
   x = 13,111.85