Finding the Fourth Proportional to 72,441, 108,671.22 and 30,897.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,441 : 108,671.22 = 30,897.72 : x
2. Step 2: Convert to fraction form
   72,441/108,671.22 = 30,897.72/x
3. Step 3: Cross multiply
   72,441x = 108,671.22 × 30,897.72
4. Step 4: Simplify right side
   72,441x = 3,357,692,927.62
5. Step 5: Solve for x
   x = 3,357,692,927.62/72,441
6. Step 6: Final answer
   x = 46,350.73