Finding the Fourth Proportional to 72,880.02, 109,282.50 and 33,403.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,880.02 : 109,282.50 = 33,403.32 : x
2. Step 2: Convert to fraction form
   72,880.02/109,282.50 = 33,403.32/x
3. Step 3: Cross multiply
   72,880.02x = 109,282.50 × 33,403.32
4. Step 4: Simplify right side
   72,880.02x = 3,650,398,317.90
5. Step 5: Solve for x
   x = 3,650,398,317.90/72,880.02
6. Step 6: Final answer
   x = 50,087.78