Finding the Fourth Proportional to 55,389.48, 76,437.72 and 30,239.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,389.48 : 76,437.72 = 30,239.52 : x
2. Step 2: Convert to fraction form
   55,389.48/76,437.72 = 30,239.52/x
3. Step 3: Cross multiply
   55,389.48x = 76,437.72 × 30,239.52
4. Step 4: Simplify right side
   55,389.48x = 2,311,439,962.69
5. Step 5: Solve for x
   x = 2,311,439,962.69/55,389.48
6. Step 6: Final answer
   x = 41,730.67