Finding the Fourth Proportional to 72,994.50, 100,732.41 and 39,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,994.50 : 100,732.41 = 39,460.50 : x
2. Step 2: Convert to fraction form
   72,994.50/100,732.41 = 39,460.50/x
3. Step 3: Cross multiply
   72,994.50x = 100,732.41 × 39,460.50
4. Step 4: Simplify right side
   72,994.50x = 3,974,951,264.81
5. Step 5: Solve for x
   x = 3,974,951,264.81/72,994.50
6. Step 6: Final answer
   x = 54,455.49