Finding the Fourth Proportional to 50,124.18, 69,013.53 and 42,555.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,124.18 : 69,013.53 = 42,555.54 : x
2. Step 2: Convert to fraction form
   50,124.18/69,013.53 = 42,555.54/x
3. Step 3: Cross multiply
   50,124.18x = 69,013.53 × 42,555.54
4. Step 4: Simplify right side
   50,124.18x = 2,936,908,036.46
5. Step 5: Solve for x
   x = 2,936,908,036.46/50,124.18
6. Step 6: Final answer
   x = 58,592.64