Finding the Fourth Proportional to 72,769.38, 109,167.30 and 30,074.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,769.38 : 109,167.30 = 30,074.94 : x
2. Step 2: Convert to fraction form
   72,769.38/109,167.30 = 30,074.94/x
3. Step 3: Cross multiply
   72,769.38x = 109,167.30 × 30,074.94
4. Step 4: Simplify right side
   72,769.38x = 3,283,199,997.46
5. Step 5: Solve for x
   x = 3,283,199,997.46/72,769.38
6. Step 6: Final answer
   x = 45,117.88