Finding the Fourth Proportional to 40,890.72, 56,434.42 and 24,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,890.72 : 56,434.42 = 24,971.82 : x
2. Step 2: Convert to fraction form
   40,890.72/56,434.42 = 24,971.82/x
3. Step 3: Cross multiply
   40,890.72x = 56,434.42 × 24,971.82
4. Step 4: Simplify right side
   40,890.72x = 1,409,270,178.04
5. Step 5: Solve for x
   x = 1,409,270,178.04/40,890.72
6. Step 6: Final answer
   x = 34,464.30