Finding the Fourth Proportional to 72,112.50, 99,450.61 and 60,052.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,112.50 : 99,450.61 = 60,052.92 : x
2. Step 2: Convert to fraction form
   72,112.50/99,450.61 = 60,052.92/x
3. Step 3: Cross multiply
   72,112.50x = 99,450.61 × 60,052.92
4. Step 4: Simplify right side
   72,112.50x = 5,972,299,003.21
5. Step 5: Solve for x
   x = 5,972,299,003.21/72,112.50
6. Step 6: Final answer
   x = 82,819.19