Finding the Fourth Proportional to 55,389.42, 76,437.01 and 30,238.92

Step by Step Solution

1. Step 1: Write the proportion equation
   55,389.42 : 76,437.01 = 30,238.92 : x
2. Step 2: Convert to fraction form
   55,389.42/76,437.01 = 30,238.92/x
3. Step 3: Cross multiply
   55,389.42x = 76,437.01 × 30,238.92
4. Step 4: Simplify right side
   55,389.42x = 2,311,372,554.83
5. Step 5: Solve for x
   x = 2,311,372,554.83/55,389.42
6. Step 6: Final answer
   x = 41,729.50