Finding the Fourth Proportional to 72,452.58, 108,710.15 and 39,196.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,452.58 : 108,710.15 = 39,196.07 : x
2. Step 2: Convert to fraction form
   72,452.58/108,710.15 = 39,196.07/x
3. Step 3: Cross multiply
   72,452.58x = 108,710.15 × 39,196.07
4. Step 4: Simplify right side
   72,452.58x = 4,261,010,537.72
5. Step 5: Solve for x
   x = 4,261,010,537.72/72,452.58
6. Step 6: Final answer
   x = 58,811.03