Finding the Fourth Proportional to 72,118.89, 99,523.94 and 43,455.15

Step by Step Solution

1. Step 1: Write the proportion equation
   72,118.89 : 99,523.94 = 43,455.15 : x
2. Step 2: Convert to fraction form
   72,118.89/99,523.94 = 43,455.15/x
3. Step 3: Cross multiply
   72,118.89x = 99,523.94 × 43,455.15
4. Step 4: Simplify right side
   72,118.89x = 4,324,827,524.02
5. Step 5: Solve for x
   x = 4,324,827,524.02/72,118.89
6. Step 6: Final answer
   x = 59,968.03