Finding the Fourth Proportional to 12,692.10, 19,042.04 and 5,678.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,692.10 : 19,042.04 = 5,678.01 : x
2. Step 2: Convert to fraction form
   12,692.10/19,042.04 = 5,678.01/x
3. Step 3: Cross multiply
   12,692.10x = 19,042.04 × 5,678.01
4. Step 4: Simplify right side
   12,692.10x = 108,120,947.20
5. Step 5: Solve for x
   x = 108,120,947.20/12,692.10
6. Step 6: Final answer
   x = 8,518.76