Finding the Fourth Proportional to 72,905.98, 109,402.02 and 30,783.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,905.98 : 109,402.02 = 30,783.33 : x
2. Step 2: Convert to fraction form
   72,905.98/109,402.02 = 30,783.33/x
3. Step 3: Cross multiply
   72,905.98x = 109,402.02 × 30,783.33
4. Step 4: Simplify right side
   72,905.98x = 3,367,758,878.60
5. Step 5: Solve for x
   x = 3,367,758,878.60/72,905.98
6. Step 6: Final answer
   x = 46,193.18