Finding the Fourth Proportional to 61,559.72, 92,351.92 and 19,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,559.72 : 92,351.92 = 19,443.72 : x
2. Step 2: Convert to fraction form
   61,559.72/92,351.92 = 19,443.72/x
3. Step 3: Cross multiply
   61,559.72x = 92,351.92 × 19,443.72
4. Step 4: Simplify right side
   61,559.72x = 1,795,665,003.06
5. Step 5: Solve for x
   x = 1,795,665,003.06/61,559.72
6. Step 6: Final answer
   x = 29,169.48