Finding the Fourth Proportional to 40,210.54, 55,490.88 and 22,306.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,210.54 : 55,490.88 = 22,306.72 : x
2. Step 2: Convert to fraction form
   40,210.54/55,490.88 = 22,306.72/x
3. Step 3: Cross multiply
   40,210.54x = 55,490.88 × 22,306.72
4. Step 4: Simplify right side
   40,210.54x = 1,237,819,522.71
5. Step 5: Solve for x
   x = 1,237,819,522.71/40,210.54
6. Step 6: Final answer
   x = 30,783.46