Finding the Fourth Proportional to 52,381.89, 72,274.38 and 30,872.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,381.89 : 72,274.38 = 30,872.49 : x
2. Step 2: Convert to fraction form
   52,381.89/72,274.38 = 30,872.49/x
3. Step 3: Cross multiply
   52,381.89x = 72,274.38 × 30,872.49
4. Step 4: Simplify right side
   52,381.89x = 2,231,290,073.81
5. Step 5: Solve for x
   x = 2,231,290,073.81/52,381.89
6. Step 6: Final answer
   x = 42,596.59