Finding the Fourth Proportional to 72,820.41, 109,273.07 and 30,697.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,820.41 : 109,273.07 = 30,697.91 : x
2. Step 2: Convert to fraction form
   72,820.41/109,273.07 = 30,697.91/x
3. Step 3: Cross multiply
   72,820.41x = 109,273.07 × 30,697.91
4. Step 4: Simplify right side
   72,820.41x = 3,354,454,868.28
5. Step 5: Solve for x
   x = 3,354,454,868.28/72,820.41
6. Step 6: Final answer
   x = 46,064.76