Finding the Fourth Proportional to 72,915.48, 109,353.60 and 30,795.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,915.48 : 109,353.60 = 30,795.84 : x
2. Step 2: Convert to fraction form
   72,915.48/109,353.60 = 30,795.84/x
3. Step 3: Cross multiply
   72,915.48x = 109,353.60 × 30,795.84
4. Step 4: Simplify right side
   72,915.48x = 3,367,635,969.02
5. Step 5: Solve for x
   x = 3,367,635,969.02/72,915.48
6. Step 6: Final answer
   x = 46,185.47