Finding the Fourth Proportional to 52,710.38, 72,743.55 and 30,361.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,710.38 : 72,743.55 = 30,361.58 : x
2. Step 2: Convert to fraction form
   52,710.38/72,743.55 = 30,361.58/x
3. Step 3: Cross multiply
   52,710.38x = 72,743.55 × 30,361.58
4. Step 4: Simplify right side
   52,710.38x = 2,208,609,112.81
5. Step 5: Solve for x
   x = 2,208,609,112.81/52,710.38
6. Step 6: Final answer
   x = 41,900.84