Finding the Fourth Proportional to 72,297.50, 99,756.37 and 45,424.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,297.50 : 99,756.37 = 45,424.44 : x
2. Step 2: Convert to fraction form
   72,297.50/99,756.37 = 45,424.44/x
3. Step 3: Cross multiply
   72,297.50x = 99,756.37 × 45,424.44
4. Step 4: Simplify right side
   72,297.50x = 4,531,377,130.12
5. Step 5: Solve for x
   x = 4,531,377,130.12/72,297.50
6. Step 6: Final answer
   x = 62,676.82