Finding the Fourth Proportional to 72,938.03, 109,363.31 and 33,445.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,938.03 : 109,363.31 = 33,445.67 : x
2. Step 2: Convert to fraction form
   72,938.03/109,363.31 = 33,445.67/x
3. Step 3: Cross multiply
   72,938.03x = 109,363.31 × 33,445.67
4. Step 4: Simplify right side
   72,938.03x = 3,657,729,009.14
5. Step 5: Solve for x
   x = 3,657,729,009.14/72,938.03
6. Step 6: Final answer
   x = 50,148.45