Finding the Fourth Proportional to 40,059.18, 55,281.42 and 22,153.86

Step by Step Solution

1. Step 1: Write the proportion equation
   40,059.18 : 55,281.42 = 22,153.86 : x
2. Step 2: Convert to fraction form
   40,059.18/55,281.42 = 22,153.86/x
3. Step 3: Cross multiply
   40,059.18x = 55,281.42 × 22,153.86
4. Step 4: Simplify right side
   40,059.18x = 1,224,696,839.28
5. Step 5: Solve for x
   x = 1,224,696,839.28/40,059.18
6. Step 6: Final answer
   x = 30,572.19