Finding the Fourth Proportional to 72,769.78, 108,952.22 and 37,154.18

Step by Step Solution

1. Step 1: Write the proportion equation
   72,769.78 : 108,952.22 = 37,154.18 : x
2. Step 2: Convert to fraction form
   72,769.78/108,952.22 = 37,154.18/x
3. Step 3: Cross multiply
   72,769.78x = 108,952.22 × 37,154.18
4. Step 4: Simplify right side
   72,769.78x = 4,048,030,393.28
5. Step 5: Solve for x
   x = 4,048,030,393.28/72,769.78
6. Step 6: Final answer
   x = 55,627.90