Finding the Fourth Proportional to 72,135.34, 99,559.46 and 41,930.03

Step by Step Solution

1. Step 1: Write the proportion equation
   72,135.34 : 99,559.46 = 41,930.03 : x
2. Step 2: Convert to fraction form
   72,135.34/99,559.46 = 41,930.03/x
3. Step 3: Cross multiply
   72,135.34x = 99,559.46 × 41,930.03
4. Step 4: Simplify right side
   72,135.34x = 4,174,531,144.58
5. Step 5: Solve for x
   x = 4,174,531,144.58/72,135.34
6. Step 6: Final answer
   x = 57,870.82