Finding the Fourth Proportional to 72,338.40, 99,760.38 and 49,637.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,338.40 : 99,760.38 = 49,637.34 : x
2. Step 2: Convert to fraction form
   72,338.40/99,760.38 = 49,637.34/x
3. Step 3: Cross multiply
   72,338.40x = 99,760.38 × 49,637.34
4. Step 4: Simplify right side
   72,338.40x = 4,951,839,900.59
5. Step 5: Solve for x
   x = 4,951,839,900.59/72,338.40
6. Step 6: Final answer
   x = 68,453.82