Finding the Fourth Proportional to 12,923.80, 19,385.82 and 3,563.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,923.80 : 19,385.82 = 3,563.98 : x
2. Step 2: Convert to fraction form
   12,923.80/19,385.82 = 3,563.98/x
3. Step 3: Cross multiply
   12,923.80x = 19,385.82 × 3,563.98
4. Step 4: Simplify right side
   12,923.80x = 69,090,674.76
5. Step 5: Solve for x
   x = 69,090,674.76/12,923.80
6. Step 6: Final answer
   x = 5,346.00