Finding the Fourth Proportional to 40,817.94, 56,328.72 and 22,912.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,817.94 : 56,328.72 = 22,912.98 : x
2. Step 2: Convert to fraction form
   40,817.94/56,328.72 = 22,912.98/x
3. Step 3: Cross multiply
   40,817.94x = 56,328.72 × 22,912.98
4. Step 4: Simplify right side
   40,817.94x = 1,290,658,834.79
5. Step 5: Solve for x
   x = 1,290,658,834.79/40,817.94
6. Step 6: Final answer
   x = 31,619.89