Finding the Fourth Proportional to 72,075.33, 99,456.93 and 49,433.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,075.33 : 99,456.93 = 49,433.67 : x
2. Step 2: Convert to fraction form
   72,075.33/99,456.93 = 49,433.67/x
3. Step 3: Cross multiply
   72,075.33x = 99,456.93 × 49,433.67
4. Step 4: Simplify right side
   72,075.33x = 4,916,521,056.83
5. Step 5: Solve for x
   x = 4,916,521,056.83/72,075.33
6. Step 6: Final answer
   x = 68,213.65