Finding the Fourth Proportional to 72,692.95, 108,864.47 and 49,248.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,692.95 : 108,864.47 = 49,248.31 : x
2. Step 2: Convert to fraction form
   72,692.95/108,864.47 = 49,248.31/x
3. Step 3: Cross multiply
   72,692.95x = 108,864.47 × 49,248.31
4. Step 4: Simplify right side
   72,692.95x = 5,361,390,920.30
5. Step 5: Solve for x
   x = 5,361,390,920.30/72,692.95
6. Step 6: Final answer
   x = 73,753.93