Finding the Fourth Proportional to 72,929.39, 109,350.33 and 28,503.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72,929.39 : 109,350.33 = 28,503.22 : x
2. Step 2: Convert to fraction form
   72,929.39/109,350.33 = 28,503.22/x
3. Step 3: Cross multiply
   72,929.39x = 109,350.33 × 28,503.22
4. Step 4: Simplify right side
   72,929.39x = 3,116,836,513.06
5. Step 5: Solve for x
   x = 3,116,836,513.06/72,929.39
6. Step 6: Final answer
   x = 42,737.73