Finding the Fourth Proportional to 40,307.58, 55,621.89 and 22,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,307.58 : 55,621.89 = 22,401.50 : x
2. Step 2: Convert to fraction form
   40,307.58/55,621.89 = 22,401.50/x
3. Step 3: Cross multiply
   40,307.58x = 55,621.89 × 22,401.50
4. Step 4: Simplify right side
   40,307.58x = 1,246,013,490.73
5. Step 5: Solve for x
   x = 1,246,013,490.73/40,307.58
6. Step 6: Final answer
   x = 30,912.63