Finding the Fourth Proportional to 78,728.29, 118,056.89 and 22,555.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,728.29 : 118,056.89 = 22,555.54 : x
2. Step 2: Convert to fraction form
   78,728.29/118,056.89 = 22,555.54/x
3. Step 3: Cross multiply
   78,728.29x = 118,056.89 × 22,555.54
4. Step 4: Simplify right side
   78,728.29x = 2,662,836,776.60
5. Step 5: Solve for x
   x = 2,662,836,776.60/78,728.29
6. Step 6: Final answer
   x = 33,823.13