Finding the Fourth Proportional to 72,270.42, 108,265.35 and 53,260.53

Step by Step Solution

1. Step 1: Write the proportion equation
   72,270.42 : 108,265.35 = 53,260.53 : x
2. Step 2: Convert to fraction form
   72,270.42/108,265.35 = 53,260.53/x
3. Step 3: Cross multiply
   72,270.42x = 108,265.35 × 53,260.53
4. Step 4: Simplify right side
   72,270.42x = 5,766,269,921.64
5. Step 5: Solve for x
   x = 5,766,269,921.64/72,270.42
6. Step 6: Final answer
   x = 79,787.41