Finding the Fourth Proportional to 282,436.58, 423,654.60 and 72,074.52

Step by Step Solution

1. Step 1: Write the proportion equation
   282,436.58 : 423,654.60 = 72,074.52 : x
2. Step 2: Convert to fraction form
   282,436.58/423,654.60 = 72,074.52/x
3. Step 3: Cross multiply
   282,436.58x = 423,654.60 × 72,074.52
4. Step 4: Simplify right side
   282,436.58x = 30,534,701,940.79
5. Step 5: Solve for x
   x = 30,534,701,940.79/282,436.58
6. Step 6: Final answer
   x = 108,111.71