Finding the Fourth Proportional to 72,082.09, 99,473.37 and 40,250.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,082.09 : 99,473.37 = 40,250.98 : x
2. Step 2: Convert to fraction form
   72,082.09/99,473.37 = 40,250.98/x
3. Step 3: Cross multiply
   72,082.09x = 99,473.37 × 40,250.98
4. Step 4: Simplify right side
   72,082.09x = 4,003,900,425.15
5. Step 5: Solve for x
   x = 4,003,900,425.15/72,082.09
6. Step 6: Final answer
   x = 55,546.40