Finding the Fourth Proportional to 36,945.72, 55,389.42 and 19,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   36,945.72 : 55,389.42 = 19,405.98 : x
2. Step 2: Convert to fraction form
   36,945.72/55,389.42 = 19,405.98/x
3. Step 3: Cross multiply
   36,945.72x = 55,389.42 × 19,405.98
4. Step 4: Simplify right side
   36,945.72x = 1,074,885,976.73
5. Step 5: Solve for x
   x = 1,074,885,976.73/36,945.72
6. Step 6: Final answer
   x = 29,093.65