Finding the Fourth Proportional to 72,923.06, 109,380.94 and 28,557.95

Step by Step Solution

1. Step 1: Write the proportion equation
   72,923.06 : 109,380.94 = 28,557.95 : x
2. Step 2: Convert to fraction form
   72,923.06/109,380.94 = 28,557.95/x
3. Step 3: Cross multiply
   72,923.06x = 109,380.94 × 28,557.95
4. Step 4: Simplify right side
   72,923.06x = 3,123,694,797.17
5. Step 5: Solve for x
   x = 3,123,694,797.17/72,923.06
6. Step 6: Final answer
   x = 42,835.49