Finding the Fourth Proportional to 72,873.49, 109,281.60 and 35,422.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,873.49 : 109,281.60 = 35,422.60 : x
2. Step 2: Convert to fraction form
   72,873.49/109,281.60 = 35,422.60/x
3. Step 3: Cross multiply
   72,873.49x = 109,281.60 × 35,422.60
4. Step 4: Simplify right side
   72,873.49x = 3,871,038,404.16
5. Step 5: Solve for x
   x = 3,871,038,404.16/72,873.49
6. Step 6: Final answer
   x = 53,119.98