Finding the Fourth Proportional to 49,269.72, 68,003.10 and 30,153.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,269.72 : 68,003.10 = 30,153.72 : x
2. Step 2: Convert to fraction form
   49,269.72/68,003.10 = 30,153.72/x
3. Step 3: Cross multiply
   49,269.72x = 68,003.10 × 30,153.72
4. Step 4: Simplify right side
   49,269.72x = 2,050,546,436.53
5. Step 5: Solve for x
   x = 2,050,546,436.53/49,269.72
6. Step 6: Final answer
   x = 41,618.80